Home / 387,038.28-580,778.52-150,350.16

Finding the Fourth Proportional to 387,038.28, 580,778.52 and 150,350.16

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Solution

The fourth proportional to 387,038.28, 580,778.52 and 150,350.16 is: 225,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,038.28 : 580,778.52 = 150,350.16 : x
  2. Step 2: Convert to fraction form
    387,038.28/580,778.52 = 150,350.16/x
  3. Step 3: Cross multiply
    387,038.28x = 580,778.52 × 150,350.16
  4. Step 4: Simplify right side
    387,038.28x = 87,320,143,406.56
  5. Step 5: Solve for x
    x = 87,320,143,406.56/387,038.28
  6. Step 6: Final answer
    x = 225,611.13

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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.