Home / 291,527.28-437,418-102,123.72

Finding the Fourth Proportional to 291,527.28, 437,418 and 102,123.72

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Solution

The fourth proportional to 291,527.28, 437,418 and 102,123.72 is: 153,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,527.28 : 437,418 = 102,123.72 : x
  2. Step 2: Convert to fraction form
    291,527.28/437,418 = 102,123.72/x
  3. Step 3: Cross multiply
    291,527.28x = 437,418 × 102,123.72
  4. Step 4: Simplify right side
    291,527.28x = 44,670,753,354.96
  5. Step 5: Solve for x
    x = 44,670,753,354.96/291,527.28
  6. Step 6: Final answer
    x = 153,230.10

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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.