Home / 372,764.45-559,311.28-289,250.21

Finding the Fourth Proportional to 372,764.45, 559,311.28 and 289,250.21

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Solution

The fourth proportional to 372,764.45, 559,311.28 and 289,250.21 is: 434,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,764.45 : 559,311.28 = 289,250.21 : x
  2. Step 2: Convert to fraction form
    372,764.45/559,311.28 = 289,250.21/x
  3. Step 3: Cross multiply
    372,764.45x = 559,311.28 × 289,250.21
  4. Step 4: Simplify right side
    372,764.45x = 161,780,901,675.69
  5. Step 5: Solve for x
    x = 161,780,901,675.69/372,764.45
  6. Step 6: Final answer
    x = 434,003.04

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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.