Home / 306,691.56-423,204.67-226,162.44

Finding the Fourth Proportional to 306,691.56, 423,204.67 and 226,162.44

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Solution

The fourth proportional to 306,691.56, 423,204.67 and 226,162.44 is: 312,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,691.56 : 423,204.67 = 226,162.44 : x
  2. Step 2: Convert to fraction form
    306,691.56/423,204.67 = 226,162.44/x
  3. Step 3: Cross multiply
    306,691.56x = 423,204.67 × 226,162.44
  4. Step 4: Simplify right side
    306,691.56x = 95,712,997,539.76
  5. Step 5: Solve for x
    x = 95,712,997,539.76/306,691.56
  6. Step 6: Final answer
    x = 312,082.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.