Home / 387,193.05-580,938.51-187,498.08

Finding the Fourth Proportional to 387,193.05, 580,938.51 and 187,498.08

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Solution

The fourth proportional to 387,193.05, 580,938.51 and 187,498.08 is: 281,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,193.05 : 580,938.51 = 187,498.08 : x
  2. Step 2: Convert to fraction form
    387,193.05/580,938.51 = 187,498.08/x
  3. Step 3: Cross multiply
    387,193.05x = 580,938.51 × 187,498.08
  4. Step 4: Simplify right side
    387,193.05x = 108,924,855,223.06
  5. Step 5: Solve for x
    x = 108,924,855,223.06/387,193.05
  6. Step 6: Final answer
    x = 281,319.24

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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.