Home / 527,125.26-790,736.49-172,141.14

Finding the Fourth Proportional to 527,125.26, 790,736.49 and 172,141.14

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Solution

The fourth proportional to 527,125.26, 790,736.49 and 172,141.14 is: 258,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,125.26 : 790,736.49 = 172,141.14 : x
  2. Step 2: Convert to fraction form
    527,125.26/790,736.49 = 172,141.14/x
  3. Step 3: Cross multiply
    527,125.26x = 790,736.49 × 172,141.14
  4. Step 4: Simplify right side
    527,125.26x = 136,118,280,828.20
  5. Step 5: Solve for x
    x = 136,118,280,828.20/527,125.26
  6. Step 6: Final answer
    x = 258,227.58

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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.