Home / 371,656.62-557,452.12-135,001.36

Finding the Fourth Proportional to 371,656.62, 557,452.12 and 135,001.36

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Solution

The fourth proportional to 371,656.62, 557,452.12 and 135,001.36 is: 202,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,656.62 : 557,452.12 = 135,001.36 : x
  2. Step 2: Convert to fraction form
    371,656.62/557,452.12 = 135,001.36/x
  3. Step 3: Cross multiply
    371,656.62x = 557,452.12 × 135,001.36
  4. Step 4: Simplify right side
    371,656.62x = 75,256,794,334.88
  5. Step 5: Solve for x
    x = 75,256,794,334.88/371,656.62
  6. Step 6: Final answer
    x = 202,490.12

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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.