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Finding the Fourth Proportional to 372,969.50, 559,450.13 and 223,251.53

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Solution

The fourth proportional to 372,969.50, 559,450.13 and 223,251.53 is: 334,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,969.50 : 559,450.13 = 223,251.53 : x
  2. Step 2: Convert to fraction form
    372,969.50/559,450.13 = 223,251.53/x
  3. Step 3: Cross multiply
    372,969.50x = 559,450.13 × 223,251.53
  4. Step 4: Simplify right side
    372,969.50x = 124,898,093,567.69
  5. Step 5: Solve for x
    x = 124,898,093,567.69/372,969.50
  6. Step 6: Final answer
    x = 334,874.82

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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.