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Finding the Fourth Proportional to 567,557.66, 851,470.14 and 168,201.74

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Solution

The fourth proportional to 567,557.66, 851,470.14 and 168,201.74 is: 252,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,557.66 : 851,470.14 = 168,201.74 : x
  2. Step 2: Convert to fraction form
    567,557.66/851,470.14 = 168,201.74/x
  3. Step 3: Cross multiply
    567,557.66x = 851,470.14 × 168,201.74
  4. Step 4: Simplify right side
    567,557.66x = 143,218,759,106.04
  5. Step 5: Solve for x
    x = 143,218,759,106.04/567,557.66
  6. Step 6: Final answer
    x = 252,342.22

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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.