Home / 387,032.52-580,554.92-147,150.08

Finding the Fourth Proportional to 387,032.52, 580,554.92 and 147,150.08

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Solution

The fourth proportional to 387,032.52, 580,554.92 and 147,150.08 is: 220,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,032.52 : 580,554.92 = 147,150.08 : x
  2. Step 2: Convert to fraction form
    387,032.52/580,554.92 = 147,150.08/x
  3. Step 3: Cross multiply
    387,032.52x = 580,554.92 × 147,150.08
  4. Step 4: Simplify right side
    387,032.52x = 85,428,702,922.39
  5. Step 5: Solve for x
    x = 85,428,702,922.39/387,032.52
  6. Step 6: Final answer
    x = 220,727.45

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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.