Home / 487,029.30-672,098.49-272,169.30

Finding the Fourth Proportional to 487,029.30, 672,098.49 and 272,169.30

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Solution

The fourth proportional to 487,029.30, 672,098.49 and 272,169.30 is: 375,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,029.30 : 672,098.49 = 272,169.30 : x
  2. Step 2: Convert to fraction form
    487,029.30/672,098.49 = 272,169.30/x
  3. Step 3: Cross multiply
    487,029.30x = 672,098.49 × 272,169.30
  4. Step 4: Simplify right side
    487,029.30x = 182,924,575,554.36
  5. Step 5: Solve for x
    x = 182,924,575,554.36/487,029.30
  6. Step 6: Final answer
    x = 375,592.55

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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.