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Finding the Fourth Proportional to 332,031.40, 495,457.45 and 296,246.73

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Solution

The fourth proportional to 332,031.40, 495,457.45 and 296,246.73 is: 442,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,031.40 : 495,457.45 = 296,246.73 : x
  2. Step 2: Convert to fraction form
    332,031.40/495,457.45 = 296,246.73/x
  3. Step 3: Cross multiply
    332,031.40x = 495,457.45 × 296,246.73
  4. Step 4: Simplify right side
    332,031.40x = 146,777,649,416.64
  5. Step 5: Solve for x
    x = 146,777,649,416.64/332,031.40
  6. Step 6: Final answer
    x = 442,059.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.