Home / 635,637.20-953,452.92-215,203.28

Finding the Fourth Proportional to 635,637.20, 953,452.92 and 215,203.28

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Solution

The fourth proportional to 635,637.20, 953,452.92 and 215,203.28 is: 322,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,637.20 : 953,452.92 = 215,203.28 : x
  2. Step 2: Convert to fraction form
    635,637.20/953,452.92 = 215,203.28/x
  3. Step 3: Cross multiply
    635,637.20x = 953,452.92 × 215,203.28
  4. Step 4: Simplify right side
    635,637.20x = 205,186,195,709.58
  5. Step 5: Solve for x
    x = 205,186,195,709.58/635,637.20
  6. Step 6: Final answer
    x = 322,803.94

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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.