Home / 487,195.29-672,327.54-272,335.23

Finding the Fourth Proportional to 487,195.29, 672,327.54 and 272,335.23

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Solution

The fourth proportional to 487,195.29, 672,327.54 and 272,335.23 is: 375,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,195.29 : 672,327.54 = 272,335.23 : x
  2. Step 2: Convert to fraction form
    487,195.29/672,327.54 = 272,335.23/x
  3. Step 3: Cross multiply
    487,195.29x = 672,327.54 × 272,335.23
  4. Step 4: Simplify right side
    487,195.29x = 183,098,475,241.23
  5. Step 5: Solve for x
    x = 183,098,475,241.23/487,195.29
  6. Step 6: Final answer
    x = 375,821.52

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1.5x scale

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.