Home / 302,436.40-453,217.20-133,818.70

Finding the Fourth Proportional to 302,436.40, 453,217.20 and 133,818.70

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Solution

The fourth proportional to 302,436.40, 453,217.20 and 133,818.70 is: 200,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,436.40 : 453,217.20 = 133,818.70 : x
  2. Step 2: Convert to fraction form
    302,436.40/453,217.20 = 133,818.70/x
  3. Step 3: Cross multiply
    302,436.40x = 453,217.20 × 133,818.70
  4. Step 4: Simplify right side
    302,436.40x = 60,648,936,521.64
  5. Step 5: Solve for x
    x = 60,648,936,521.64/302,436.40
  6. Step 6: Final answer
    x = 200,534.51

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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.