Home / 272,587.26-408,455.76-172,536.10

Finding the Fourth Proportional to 272,587.26, 408,455.76 and 172,536.10

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Solution

The fourth proportional to 272,587.26, 408,455.76 and 172,536.10 is: 258,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,587.26 : 408,455.76 = 172,536.10 : x
  2. Step 2: Convert to fraction form
    272,587.26/408,455.76 = 172,536.10/x
  3. Step 3: Cross multiply
    272,587.26x = 408,455.76 × 172,536.10
  4. Step 4: Simplify right side
    272,587.26x = 70,473,363,852.94
  5. Step 5: Solve for x
    x = 70,473,363,852.94/272,587.26
  6. Step 6: Final answer
    x = 258,535.06

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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.