Home / 487,054.35-672,132.69-272,194.29

Finding the Fourth Proportional to 487,054.35, 672,132.69 and 272,194.29

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Solution

The fourth proportional to 487,054.35, 672,132.69 and 272,194.29 is: 375,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,054.35 : 672,132.69 = 272,194.29 : x
  2. Step 2: Convert to fraction form
    487,054.35/672,132.69 = 272,194.29/x
  3. Step 3: Cross multiply
    487,054.35x = 672,132.69 × 272,194.29
  4. Step 4: Simplify right side
    487,054.35x = 182,950,680,340.34
  5. Step 5: Solve for x
    x = 182,950,680,340.34/487,054.35
  6. Step 6: Final answer
    x = 375,626.83

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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.