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Finding the Fourth Proportional to 377,246.32, 520,610.92 and 207,491.44

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Solution

The fourth proportional to 377,246.32, 520,610.92 and 207,491.44 is: 286,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,246.32 : 520,610.92 = 207,491.44 : x
  2. Step 2: Convert to fraction form
    377,246.32/520,610.92 = 207,491.44/x
  3. Step 3: Cross multiply
    377,246.32x = 520,610.92 × 207,491.44
  4. Step 4: Simplify right side
    377,246.32x = 108,022,309,470.53
  5. Step 5: Solve for x
    x = 108,022,309,470.53/377,246.32
  6. Step 6: Final answer
    x = 286,344.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.