Home / 387,741.20-534,864.37-226,562.04

Finding the Fourth Proportional to 387,741.20, 534,864.37 and 226,562.04

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Solution

The fourth proportional to 387,741.20, 534,864.37 and 226,562.04 is: 312,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,741.20 : 534,864.37 = 226,562.04 : x
  2. Step 2: Convert to fraction form
    387,741.20/534,864.37 = 226,562.04/x
  3. Step 3: Cross multiply
    387,741.20x = 534,864.37 × 226,562.04
  4. Step 4: Simplify right side
    387,741.20x = 121,179,962,790.52
  5. Step 5: Solve for x
    x = 121,179,962,790.52/387,741.20
  6. Step 6: Final answer
    x = 312,527.95

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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.