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Finding the Fourth Proportional to 387,762.72, 534,894 and 226,583.52

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Solution

The fourth proportional to 387,762.72, 534,894 and 226,583.52 is: 312,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,762.72 : 534,894 = 226,583.52 : x
  2. Step 2: Convert to fraction form
    387,762.72/534,894 = 226,583.52/x
  3. Step 3: Cross multiply
    387,762.72x = 534,894 × 226,583.52
  4. Step 4: Simplify right side
    387,762.72x = 121,198,165,346.88
  5. Step 5: Solve for x
    x = 121,198,165,346.88/387,762.72
  6. Step 6: Final answer
    x = 312,557.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.