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Finding the Fourth Proportional to 537,555.22, 806,140.71 and 177,659.47

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Solution

The fourth proportional to 537,555.22, 806,140.71 and 177,659.47 is: 266,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,555.22 : 806,140.71 = 177,659.47 : x
  2. Step 2: Convert to fraction form
    537,555.22/806,140.71 = 177,659.47/x
  3. Step 3: Cross multiply
    537,555.22x = 806,140.71 × 177,659.47
  4. Step 4: Simplify right side
    537,555.22x = 143,218,526,365.02
  5. Step 5: Solve for x
    x = 143,218,526,365.02/537,555.22
  6. Step 6: Final answer
    x = 266,425.70

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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.