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Finding the Fourth Proportional to 377,519.40, 566,279.10 and 360,023.40

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Solution

The fourth proportional to 377,519.40, 566,279.10 and 360,023.40 is: 540,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,519.40 : 566,279.10 = 360,023.40 : x
  2. Step 2: Convert to fraction form
    377,519.40/566,279.10 = 360,023.40/x
  3. Step 3: Cross multiply
    377,519.40x = 566,279.10 × 360,023.40
  4. Step 4: Simplify right side
    377,519.40x = 203,873,726,930.94
  5. Step 5: Solve for x
    x = 203,873,726,930.94/377,519.40
  6. Step 6: Final answer
    x = 540,035.10

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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.