Home / 487,027.27-672,112.08-272,167.96

Finding the Fourth Proportional to 487,027.27, 672,112.08 and 272,167.96

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Solution

The fourth proportional to 487,027.27, 672,112.08 and 272,167.96 is: 375,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,027.27 : 672,112.08 = 272,167.96 : x
  2. Step 2: Convert to fraction form
    487,027.27/672,112.08 = 272,167.96/x
  3. Step 3: Cross multiply
    487,027.27x = 672,112.08 × 272,167.96
  4. Step 4: Simplify right side
    487,027.27x = 182,927,373,704.96
  5. Step 5: Solve for x
    x = 182,927,373,704.96/487,027.27
  6. Step 6: Final answer
    x = 375,599.86

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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.