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Finding the Fourth Proportional to 366,770.40, 551,030.40 and 328,279.20

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Solution

The fourth proportional to 366,770.40, 551,030.40 and 328,279.20 is: 493,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,770.40 : 551,030.40 = 328,279.20 : x
  2. Step 2: Convert to fraction form
    366,770.40/551,030.40 = 328,279.20/x
  3. Step 3: Cross multiply
    366,770.40x = 551,030.40 × 328,279.20
  4. Step 4: Simplify right side
    366,770.40x = 180,891,818,887.68
  5. Step 5: Solve for x
    x = 180,891,818,887.68/366,770.40
  6. Step 6: Final answer
    x = 493,201.79

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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.