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Finding the Fourth Proportional to 502,956.80, 754,413.60 and 170,532.80

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Solution

The fourth proportional to 502,956.80, 754,413.60 and 170,532.80 is: 255,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,956.80 : 754,413.60 = 170,532.80 : x
  2. Step 2: Convert to fraction form
    502,956.80/754,413.60 = 170,532.80/x
  3. Step 3: Cross multiply
    502,956.80x = 754,413.60 × 170,532.80
  4. Step 4: Simplify right side
    502,956.80x = 128,652,263,566.08
  5. Step 5: Solve for x
    x = 128,652,263,566.08/502,956.80
  6. Step 6: Final answer
    x = 255,791.88

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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.