Home / 332,313.92-498,540-145,275.20

Finding the Fourth Proportional to 332,313.92, 498,540 and 145,275.20

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Solution

The fourth proportional to 332,313.92, 498,540 and 145,275.20 is: 217,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,313.92 : 498,540 = 145,275.20 : x
  2. Step 2: Convert to fraction form
    332,313.92/498,540 = 145,275.20/x
  3. Step 3: Cross multiply
    332,313.92x = 498,540 × 145,275.20
  4. Step 4: Simplify right side
    332,313.92x = 72,425,498,208
  5. Step 5: Solve for x
    x = 72,425,498,208/332,313.92
  6. Step 6: Final answer
    x = 217,943.02

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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.