Home / 482,219.43-723,359.21-127,233.79

Finding the Fourth Proportional to 482,219.43, 723,359.21 and 127,233.79

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Solution

The fourth proportional to 482,219.43, 723,359.21 and 127,233.79 is: 190,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,219.43 : 723,359.21 = 127,233.79 : x
  2. Step 2: Convert to fraction form
    482,219.43/723,359.21 = 127,233.79/x
  3. Step 3: Cross multiply
    482,219.43x = 723,359.21 × 127,233.79
  4. Step 4: Simplify right side
    482,219.43x = 92,035,733,819.71
  5. Step 5: Solve for x
    x = 92,035,733,819.71/482,219.43
  6. Step 6: Final answer
    x = 190,858.62

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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.