Home / 487,027.80-672,096.42-272,167.80

Finding the Fourth Proportional to 487,027.80, 672,096.42 and 272,167.80

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Solution

The fourth proportional to 487,027.80, 672,096.42 and 272,167.80 is: 375,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,027.80 : 672,096.42 = 272,167.80 : x
  2. Step 2: Convert to fraction form
    487,027.80/672,096.42 = 272,167.80/x
  3. Step 3: Cross multiply
    487,027.80x = 672,096.42 × 272,167.80
  4. Step 4: Simplify right side
    487,027.80x = 182,923,004,019.28
  5. Step 5: Solve for x
    x = 182,923,004,019.28/487,027.80
  6. Step 6: Final answer
    x = 375,590.48

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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.