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Finding the Fourth Proportional to 377,291.16, 564,990.32 and 225,394.56

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Solution

The fourth proportional to 377,291.16, 564,990.32 and 225,394.56 is: 337,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,291.16 : 564,990.32 = 225,394.56 : x
  2. Step 2: Convert to fraction form
    377,291.16/564,990.32 = 225,394.56/x
  3. Step 3: Cross multiply
    377,291.16x = 564,990.32 × 225,394.56
  4. Step 4: Simplify right side
    377,291.16x = 127,345,741,887.89
  5. Step 5: Solve for x
    x = 127,345,741,887.89/377,291.16
  6. Step 6: Final answer
    x = 337,526.44

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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.