Home / 387,095.90-580,417.86-150,161.72

Finding the Fourth Proportional to 387,095.90, 580,417.86 and 150,161.72

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Solution

The fourth proportional to 387,095.90, 580,417.86 and 150,161.72 is: 225,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,095.90 : 580,417.86 = 150,161.72 : x
  2. Step 2: Convert to fraction form
    387,095.90/580,417.86 = 150,161.72/x
  3. Step 3: Cross multiply
    387,095.90x = 580,417.86 × 150,161.72
  4. Step 4: Simplify right side
    387,095.90x = 87,156,544,176.32
  5. Step 5: Solve for x
    x = 87,156,544,176.32/387,095.90
  6. Step 6: Final answer
    x = 225,154.91

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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.