Home / 486,982.74-672,034.70-272,123.02

Finding the Fourth Proportional to 486,982.74, 672,034.70 and 272,123.02

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Solution

The fourth proportional to 486,982.74, 672,034.70 and 272,123.02 is: 375,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,982.74 : 672,034.70 = 272,123.02 : x
  2. Step 2: Convert to fraction form
    486,982.74/672,034.70 = 272,123.02/x
  3. Step 3: Cross multiply
    486,982.74x = 672,034.70 × 272,123.02
  4. Step 4: Simplify right side
    486,982.74x = 182,876,112,108.79
  5. Step 5: Solve for x
    x = 182,876,112,108.79/486,982.74
  6. Step 6: Final answer
    x = 375,528.94

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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.