Home / 372,913.20-559,450.80-136,255.50

Finding the Fourth Proportional to 372,913.20, 559,450.80 and 136,255.50

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Solution

The fourth proportional to 372,913.20, 559,450.80 and 136,255.50 is: 204,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,913.20 : 559,450.80 = 136,255.50 : x
  2. Step 2: Convert to fraction form
    372,913.20/559,450.80 = 136,255.50/x
  3. Step 3: Cross multiply
    372,913.20x = 559,450.80 × 136,255.50
  4. Step 4: Simplify right side
    372,913.20x = 76,228,248,479.40
  5. Step 5: Solve for x
    x = 76,228,248,479.40/372,913.20
  6. Step 6: Final answer
    x = 204,412.85

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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.