Home / 245,471.28-338,583.78-159,276.24

Finding the Fourth Proportional to 245,471.28, 338,583.78 and 159,276.24

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Solution

The fourth proportional to 245,471.28, 338,583.78 and 159,276.24 is: 219,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471.28 : 338,583.78 = 159,276.24 : x
  2. Step 2: Convert to fraction form
    245,471.28/338,583.78 = 159,276.24/x
  3. Step 3: Cross multiply
    245,471.28x = 338,583.78 × 159,276.24
  4. Step 4: Simplify right side
    245,471.28x = 53,928,351,403.39
  5. Step 5: Solve for x
    x = 53,928,351,403.39/245,471.28
  6. Step 6: Final answer
    x = 219,693.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.