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Finding the Fourth Proportional to 531,167.22, 797,082.12 and 215,624.03

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Solution

The fourth proportional to 531,167.22, 797,082.12 and 215,624.03 is: 323,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,167.22 : 797,082.12 = 215,624.03 : x
  2. Step 2: Convert to fraction form
    531,167.22/797,082.12 = 215,624.03/x
  3. Step 3: Cross multiply
    531,167.22x = 797,082.12 × 215,624.03
  4. Step 4: Simplify right side
    531,167.22x = 171,870,054,969.93
  5. Step 5: Solve for x
    x = 171,870,054,969.93/531,167.22
  6. Step 6: Final answer
    x = 323,570.52

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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.