Home / 387,091.17-580,317.08-170,795.92

Finding the Fourth Proportional to 387,091.17, 580,317.08 and 170,795.92

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Solution

The fourth proportional to 387,091.17, 580,317.08 and 170,795.92 is: 256,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,091.17 : 580,317.08 = 170,795.92 : x
  2. Step 2: Convert to fraction form
    387,091.17/580,317.08 = 170,795.92/x
  3. Step 3: Cross multiply
    387,091.17x = 580,317.08 × 170,795.92
  4. Step 4: Simplify right side
    387,091.17x = 99,115,790,722.70
  5. Step 5: Solve for x
    x = 99,115,790,722.70/387,091.17
  6. Step 6: Final answer
    x = 256,052.83

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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.