Home / 535,209.22-802,613.80-215,253.09

Finding the Fourth Proportional to 535,209.22, 802,613.80 and 215,253.09

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Solution

The fourth proportional to 535,209.22, 802,613.80 and 215,253.09 is: 322,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,209.22 : 802,613.80 = 215,253.09 : x
  2. Step 2: Convert to fraction form
    535,209.22/802,613.80 = 215,253.09/x
  3. Step 3: Cross multiply
    535,209.22x = 802,613.80 × 215,253.09
  4. Step 4: Simplify right side
    535,209.22x = 172,765,101,064.78
  5. Step 5: Solve for x
    x = 172,765,101,064.78/535,209.22
  6. Step 6: Final answer
    x = 322,799.19

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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.