Home / 266,445.72-399,819.78-97,944.12

Finding the Fourth Proportional to 266,445.72, 399,819.78 and 97,944.12

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Solution

The fourth proportional to 266,445.72, 399,819.78 and 97,944.12 is: 146,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,445.72 : 399,819.78 = 97,944.12 : x
  2. Step 2: Convert to fraction form
    266,445.72/399,819.78 = 97,944.12/x
  3. Step 3: Cross multiply
    266,445.72x = 399,819.78 × 97,944.12
  4. Step 4: Simplify right side
    266,445.72x = 39,159,996,510.69
  5. Step 5: Solve for x
    x = 39,159,996,510.69/266,445.72
  6. Step 6: Final answer
    x = 146,971.76

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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.