Home / 635,915.20-953,882.40-162,590.08

Finding the Fourth Proportional to 635,915.20, 953,882.40 and 162,590.08

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Solution

The fourth proportional to 635,915.20, 953,882.40 and 162,590.08 is: 243,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,915.20 : 953,882.40 = 162,590.08 : x
  2. Step 2: Convert to fraction form
    635,915.20/953,882.40 = 162,590.08/x
  3. Step 3: Cross multiply
    635,915.20x = 953,882.40 × 162,590.08
  4. Step 4: Simplify right side
    635,915.20x = 155,091,815,726.59
  5. Step 5: Solve for x
    x = 155,091,815,726.59/635,915.20
  6. Step 6: Final answer
    x = 243,887.57

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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.