Home / 262,440.70-393,723.52-84,947.69

Finding the Fourth Proportional to 262,440.70, 393,723.52 and 84,947.69

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Solution

The fourth proportional to 262,440.70, 393,723.52 and 84,947.69 is: 127,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440.70 : 393,723.52 = 84,947.69 : x
  2. Step 2: Convert to fraction form
    262,440.70/393,723.52 = 84,947.69/x
  3. Step 3: Cross multiply
    262,440.70x = 393,723.52 × 84,947.69
  4. Step 4: Simplify right side
    262,440.70x = 33,445,904,294.61
  5. Step 5: Solve for x
    x = 33,445,904,294.61/262,440.70
  6. Step 6: Final answer
    x = 127,441.76

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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.