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Finding the Fourth Proportional to 574,054.68, 861,276.60 and 254,162.43

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Solution

The fourth proportional to 574,054.68, 861,276.60 and 254,162.43 is: 381,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,054.68 : 861,276.60 = 254,162.43 : x
  2. Step 2: Convert to fraction form
    574,054.68/861,276.60 = 254,162.43/x
  3. Step 3: Cross multiply
    574,054.68x = 861,276.60 × 254,162.43
  4. Step 4: Simplify right side
    574,054.68x = 218,904,153,558.14
  5. Step 5: Solve for x
    x = 218,904,153,558.14/574,054.68
  6. Step 6: Final answer
    x = 381,329.80

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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.