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Finding the Fourth Proportional to 435,200.75, 652,770.26 and 115,345.52

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Solution

The fourth proportional to 435,200.75, 652,770.26 and 115,345.52 is: 173,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,200.75 : 652,770.26 = 115,345.52 : x
  2. Step 2: Convert to fraction form
    435,200.75/652,770.26 = 115,345.52/x
  3. Step 3: Cross multiply
    435,200.75x = 652,770.26 × 115,345.52
  4. Step 4: Simplify right side
    435,200.75x = 75,294,124,120.09
  5. Step 5: Solve for x
    x = 75,294,124,120.09/435,200.75
  6. Step 6: Final answer
    x = 173,010.10

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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.