Home / 486,982.32-672,061.56-272,127.60

Finding the Fourth Proportional to 486,982.32, 672,061.56 and 272,127.60

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Solution

The fourth proportional to 486,982.32, 672,061.56 and 272,127.60 is: 375,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,982.32 : 672,061.56 = 272,127.60 : x
  2. Step 2: Convert to fraction form
    486,982.32/672,061.56 = 272,127.60/x
  3. Step 3: Cross multiply
    486,982.32x = 672,061.56 × 272,127.60
  4. Step 4: Simplify right side
    486,982.32x = 182,886,499,375.06
  5. Step 5: Solve for x
    x = 182,886,499,375.06/486,982.32
  6. Step 6: Final answer
    x = 375,550.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.