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Finding the Fourth Proportional to 155,607.28, 233,410.92 and 124,295.92

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Solution

The fourth proportional to 155,607.28, 233,410.92 and 124,295.92 is: 186,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,607.28 : 233,410.92 = 124,295.92 : x
  2. Step 2: Convert to fraction form
    155,607.28/233,410.92 = 124,295.92/x
  3. Step 3: Cross multiply
    155,607.28x = 233,410.92 × 124,295.92
  4. Step 4: Simplify right side
    155,607.28x = 29,012,025,039.45
  5. Step 5: Solve for x
    x = 29,012,025,039.45/155,607.28
  6. Step 6: Final answer
    x = 186,443.88

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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.