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Finding the Fourth Proportional to 376,729.28, 565,131.24 and 120,497.47

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Solution

The fourth proportional to 376,729.28, 565,131.24 and 120,497.47 is: 180,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,729.28 : 565,131.24 = 120,497.47 : x
  2. Step 2: Convert to fraction form
    376,729.28/565,131.24 = 120,497.47/x
  3. Step 3: Cross multiply
    376,729.28x = 565,131.24 × 120,497.47
  4. Step 4: Simplify right side
    376,729.28x = 68,096,886,573.45
  5. Step 5: Solve for x
    x = 68,096,886,573.45/376,729.28
  6. Step 6: Final answer
    x = 180,758.15

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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.