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Finding the Fourth Proportional to 377,885.80, 566,812.30 and 141,230.52

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Solution

The fourth proportional to 377,885.80, 566,812.30 and 141,230.52 is: 211,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,885.80 : 566,812.30 = 141,230.52 : x
  2. Step 2: Convert to fraction form
    377,885.80/566,812.30 = 141,230.52/x
  3. Step 3: Cross multiply
    377,885.80x = 566,812.30 × 141,230.52
  4. Step 4: Simplify right side
    377,885.80x = 80,051,195,871.40
  5. Step 5: Solve for x
    x = 80,051,195,871.40/377,885.80
  6. Step 6: Final answer
    x = 211,839.65

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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.