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Finding the Fourth Proportional to 665,995.59, 998,882.01 and 239,444.46

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Solution

The fourth proportional to 665,995.59, 998,882.01 and 239,444.46 is: 359,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,995.59 : 998,882.01 = 239,444.46 : x
  2. Step 2: Convert to fraction form
    665,995.59/998,882.01 = 239,444.46/x
  3. Step 3: Cross multiply
    665,995.59x = 998,882.01 × 239,444.46
  4. Step 4: Simplify right side
    665,995.59x = 239,176,763,488.17
  5. Step 5: Solve for x
    x = 239,176,763,488.17/665,995.59
  6. Step 6: Final answer
    x = 359,126.65

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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.