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Finding the Fourth Proportional to 468,551.25, 702,826.88 and 113,565.28

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Solution

The fourth proportional to 468,551.25, 702,826.88 and 113,565.28 is: 170,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,551.25 : 702,826.88 = 113,565.28 : x
  2. Step 2: Convert to fraction form
    468,551.25/702,826.88 = 113,565.28/x
  3. Step 3: Cross multiply
    468,551.25x = 702,826.88 × 113,565.28
  4. Step 4: Simplify right side
    468,551.25x = 79,816,730,850.90
  5. Step 5: Solve for x
    x = 79,816,730,850.90/468,551.25
  6. Step 6: Final answer
    x = 170,347.92

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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.