Home / 242,828.78-364,243.19-130,561.88

Finding the Fourth Proportional to 242,828.78, 364,243.19 and 130,561.88

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Solution

The fourth proportional to 242,828.78, 364,243.19 and 130,561.88 is: 195,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,828.78 : 364,243.19 = 130,561.88 : x
  2. Step 2: Convert to fraction form
    242,828.78/364,243.19 = 130,561.88/x
  3. Step 3: Cross multiply
    242,828.78x = 364,243.19 × 130,561.88
  4. Step 4: Simplify right side
    242,828.78x = 47,556,273,189.57
  5. Step 5: Solve for x
    x = 47,556,273,189.57/242,828.78
  6. Step 6: Final answer
    x = 195,842.82

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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.