Home / 291,472.20-437,274.10-89,086.68

Finding the Fourth Proportional to 291,472.20, 437,274.10 and 89,086.68

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Solution

The fourth proportional to 291,472.20, 437,274.10 and 89,086.68 is: 133,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,472.20 : 437,274.10 = 89,086.68 : x
  2. Step 2: Convert to fraction form
    291,472.20/437,274.10 = 89,086.68/x
  3. Step 3: Cross multiply
    291,472.20x = 437,274.10 × 89,086.68
  4. Step 4: Simplify right side
    291,472.20x = 38,955,297,818.99
  5. Step 5: Solve for x
    x = 38,955,297,818.99/291,472.20
  6. Step 6: Final answer
    x = 133,650.13

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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.