Home / 487,027.30-672,095.73-272,167.30

Finding the Fourth Proportional to 487,027.30, 672,095.73 and 272,167.30

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Solution

The fourth proportional to 487,027.30, 672,095.73 and 272,167.30 is: 375,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,027.30 : 672,095.73 = 272,167.30 : x
  2. Step 2: Convert to fraction form
    487,027.30/672,095.73 = 272,167.30/x
  3. Step 3: Cross multiply
    487,027.30x = 672,095.73 × 272,167.30
  4. Step 4: Simplify right side
    487,027.30x = 182,922,480,175.63
  5. Step 5: Solve for x
    x = 182,922,480,175.63/487,027.30
  6. Step 6: Final answer
    x = 375,589.79

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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.