Home / 242,211.28-363,081.21-115,818.88

Finding the Fourth Proportional to 242,211.28, 363,081.21 and 115,818.88

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Solution

The fourth proportional to 242,211.28, 363,081.21 and 115,818.88 is: 173,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,211.28 : 363,081.21 = 115,818.88 : x
  2. Step 2: Convert to fraction form
    242,211.28/363,081.21 = 115,818.88/x
  3. Step 3: Cross multiply
    242,211.28x = 363,081.21 × 115,818.88
  4. Step 4: Simplify right side
    242,211.28x = 42,051,659,091.24
  5. Step 5: Solve for x
    x = 42,051,659,091.24/242,211.28
  6. Step 6: Final answer
    x = 173,615.61

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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.