Home / 387,126.45-580,557.27-147,182.49

Finding the Fourth Proportional to 387,126.45, 580,557.27 and 147,182.49

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Solution

The fourth proportional to 387,126.45, 580,557.27 and 147,182.49 is: 220,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,126.45 : 580,557.27 = 147,182.49 : x
  2. Step 2: Convert to fraction form
    387,126.45/580,557.27 = 147,182.49/x
  3. Step 3: Cross multiply
    387,126.45x = 580,557.27 × 147,182.49
  4. Step 4: Simplify right side
    387,126.45x = 85,447,864,586.20
  5. Step 5: Solve for x
    x = 85,447,864,586.20/387,126.45
  6. Step 6: Final answer
    x = 220,723.40

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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.