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Finding the Fourth Proportional to 377,842.10, 567,200.55 and 218,045.30

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Solution

The fourth proportional to 377,842.10, 567,200.55 and 218,045.30 is: 327,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,842.10 : 567,200.55 = 218,045.30 : x
  2. Step 2: Convert to fraction form
    377,842.10/567,200.55 = 218,045.30/x
  3. Step 3: Cross multiply
    377,842.10x = 567,200.55 × 218,045.30
  4. Step 4: Simplify right side
    377,842.10x = 123,675,414,084.92
  5. Step 5: Solve for x
    x = 123,675,414,084.92/377,842.10
  6. Step 6: Final answer
    x = 327,320.37

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1.5x scale

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.