Home / 272,330.20-407,523.30-172,538.20

Finding the Fourth Proportional to 272,330.20, 407,523.30 and 172,538.20

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Solution

The fourth proportional to 272,330.20, 407,523.30 and 172,538.20 is: 258,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,330.20 : 407,523.30 = 172,538.20 : x
  2. Step 2: Convert to fraction form
    272,330.20/407,523.30 = 172,538.20/x
  3. Step 3: Cross multiply
    272,330.20x = 407,523.30 × 172,538.20
  4. Step 4: Simplify right side
    272,330.20x = 70,313,336,640.06
  5. Step 5: Solve for x
    x = 70,313,336,640.06/272,330.20
  6. Step 6: Final answer
    x = 258,191.48

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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.