Home / 667,398.97-1,001,090.09-161,964.13

Finding the Fourth Proportional to 667,398.97, 1,001,090.09 and 161,964.13

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Solution

The fourth proportional to 667,398.97, 1,001,090.09 and 161,964.13 is: 242,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,398.97 : 1,001,090.09 = 161,964.13 : x
  2. Step 2: Convert to fraction form
    667,398.97/1,001,090.09 = 161,964.13/x
  3. Step 3: Cross multiply
    667,398.97x = 1,001,090.09 × 161,964.13
  4. Step 4: Simplify right side
    667,398.97x = 162,140,679,663.20
  5. Step 5: Solve for x
    x = 162,140,679,663.20/667,398.97
  6. Step 6: Final answer
    x = 242,944.16

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1.5x scale

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.