Home / 217,319.28-325,901.16-117,553.20

Finding the Fourth Proportional to 217,319.28, 325,901.16 and 117,553.20

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Solution

The fourth proportional to 217,319.28, 325,901.16 and 117,553.20 is: 176,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,319.28 : 325,901.16 = 117,553.20 : x
  2. Step 2: Convert to fraction form
    217,319.28/325,901.16 = 117,553.20/x
  3. Step 3: Cross multiply
    217,319.28x = 325,901.16 × 117,553.20
  4. Step 4: Simplify right side
    217,319.28x = 38,310,724,241.71
  5. Step 5: Solve for x
    x = 38,310,724,241.71/217,319.28
  6. Step 6: Final answer
    x = 176,287.74

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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.