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Finding the Fourth Proportional to 538,357.39, 807,542.26 and 230,567.72

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Solution

The fourth proportional to 538,357.39, 807,542.26 and 230,567.72 is: 345,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,357.39 : 807,542.26 = 230,567.72 : x
  2. Step 2: Convert to fraction form
    538,357.39/807,542.26 = 230,567.72/x
  3. Step 3: Cross multiply
    538,357.39x = 807,542.26 × 230,567.72
  4. Step 4: Simplify right side
    538,357.39x = 186,193,173,077.72
  5. Step 5: Solve for x
    x = 186,193,173,077.72/538,357.39
  6. Step 6: Final answer
    x = 345,854.22

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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.