Home / 272,012.32-408,707.36-172,219.44

Finding the Fourth Proportional to 272,012.32, 408,707.36 and 172,219.44

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Solution

The fourth proportional to 272,012.32, 408,707.36 and 172,219.44 is: 258,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,012.32 : 408,707.36 = 172,219.44 : x
  2. Step 2: Convert to fraction form
    272,012.32/408,707.36 = 172,219.44/x
  3. Step 3: Cross multiply
    272,012.32x = 408,707.36 × 172,219.44
  4. Step 4: Simplify right side
    272,012.32x = 70,387,352,663.08
  5. Step 5: Solve for x
    x = 70,387,352,663.08/272,012.32
  6. Step 6: Final answer
    x = 258,765.31

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1.5x scale

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.