Home / 272,441.46-408,697.89-90,011.66

Finding the Fourth Proportional to 272,441.46, 408,697.89 and 90,011.66

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Solution

The fourth proportional to 272,441.46, 408,697.89 and 90,011.66 is: 135,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,441.46 : 408,697.89 = 90,011.66 : x
  2. Step 2: Convert to fraction form
    272,441.46/408,697.89 = 90,011.66/x
  3. Step 3: Cross multiply
    272,441.46x = 408,697.89 × 90,011.66
  4. Step 4: Simplify right side
    272,441.46x = 36,787,573,473.91
  5. Step 5: Solve for x
    x = 36,787,573,473.91/272,441.46
  6. Step 6: Final answer
    x = 135,029.28

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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.