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Finding the Fourth Proportional to 662,958.30, 994,581.45 and 242,233.50

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Solution

The fourth proportional to 662,958.30, 994,581.45 and 242,233.50 is: 363,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,958.30 : 994,581.45 = 242,233.50 : x
  2. Step 2: Convert to fraction form
    662,958.30/994,581.45 = 242,233.50/x
  3. Step 3: Cross multiply
    662,958.30x = 994,581.45 × 242,233.50
  4. Step 4: Simplify right side
    662,958.30x = 240,920,945,668.58
  5. Step 5: Solve for x
    x = 240,920,945,668.58/662,958.30
  6. Step 6: Final answer
    x = 363,402.87

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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.