Home / 217,315.28-325,895.16-117,549.20

Finding the Fourth Proportional to 217,315.28, 325,895.16 and 117,549.20

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Solution

The fourth proportional to 217,315.28, 325,895.16 and 117,549.20 is: 176,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,315.28 : 325,895.16 = 117,549.20 : x
  2. Step 2: Convert to fraction form
    217,315.28/325,895.16 = 117,549.20/x
  3. Step 3: Cross multiply
    217,315.28x = 325,895.16 × 117,549.20
  4. Step 4: Simplify right side
    217,315.28x = 38,308,715,341.87
  5. Step 5: Solve for x
    x = 38,308,715,341.87/217,315.28
  6. Step 6: Final answer
    x = 176,281.74

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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.