Home / 486,974.17-672,022.94-272,114.45

Finding the Fourth Proportional to 486,974.17, 672,022.94 and 272,114.45

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Solution

The fourth proportional to 486,974.17, 672,022.94 and 272,114.45 is: 375,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,974.17 : 672,022.94 = 272,114.45 : x
  2. Step 2: Convert to fraction form
    486,974.17/672,022.94 = 272,114.45/x
  3. Step 3: Cross multiply
    486,974.17x = 672,022.94 × 272,114.45
  4. Step 4: Simplify right side
    486,974.17x = 182,867,152,705.48
  5. Step 5: Solve for x
    x = 182,867,152,705.48/486,974.17
  6. Step 6: Final answer
    x = 375,517.15

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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.