Home / 490,029.09-676,248.29-272,251.98

Finding the Fourth Proportional to 490,029.09, 676,248.29 and 272,251.98

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Solution

The fourth proportional to 490,029.09, 676,248.29 and 272,251.98 is: 375,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,029.09 : 676,248.29 = 272,251.98 : x
  2. Step 2: Convert to fraction form
    490,029.09/676,248.29 = 272,251.98/x
  3. Step 3: Cross multiply
    490,029.09x = 676,248.29 × 272,251.98
  4. Step 4: Simplify right side
    490,029.09x = 184,109,934,562.85
  5. Step 5: Solve for x
    x = 184,109,934,562.85/490,029.09
  6. Step 6: Final answer
    x = 375,712.26

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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.