Home / 489,962.66-676,167.42-272,187.82

Finding the Fourth Proportional to 489,962.66, 676,167.42 and 272,187.82

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Solution

The fourth proportional to 489,962.66, 676,167.42 and 272,187.82 is: 375,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,962.66 : 676,167.42 = 272,187.82 : x
  2. Step 2: Convert to fraction form
    489,962.66/676,167.42 = 272,187.82/x
  3. Step 3: Cross multiply
    489,962.66x = 676,167.42 × 272,187.82
  4. Step 4: Simplify right side
    489,962.66x = 184,044,536,004.82
  5. Step 5: Solve for x
    x = 184,044,536,004.82/489,962.66
  6. Step 6: Final answer
    x = 375,629.72

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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.