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Finding the Fourth Proportional to 284,303.28, 426,456.90 and 195,286.98

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Solution

The fourth proportional to 284,303.28, 426,456.90 and 195,286.98 is: 292,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,303.28 : 426,456.90 = 195,286.98 : x
  2. Step 2: Convert to fraction form
    284,303.28/426,456.90 = 195,286.98/x
  3. Step 3: Cross multiply
    284,303.28x = 426,456.90 × 195,286.98
  4. Step 4: Simplify right side
    284,303.28x = 83,281,480,101.16
  5. Step 5: Solve for x
    x = 83,281,480,101.16/284,303.28
  6. Step 6: Final answer
    x = 292,931.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.