Home / 218,882.52-302,077.67-132,863.40

Finding the Fourth Proportional to 218,882.52, 302,077.67 and 132,863.40

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Solution

The fourth proportional to 218,882.52, 302,077.67 and 132,863.40 is: 183,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,882.52 : 302,077.67 = 132,863.40 : x
  2. Step 2: Convert to fraction form
    218,882.52/302,077.67 = 132,863.40/x
  3. Step 3: Cross multiply
    218,882.52x = 302,077.67 × 132,863.40
  4. Step 4: Simplify right side
    218,882.52x = 40,135,066,300.28
  5. Step 5: Solve for x
    x = 40,135,066,300.28/218,882.52
  6. Step 6: Final answer
    x = 183,363.51

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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.