Home / 374,945.76-517,408.56-205,187.04

Finding the Fourth Proportional to 374,945.76, 517,408.56 and 205,187.04

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Solution

The fourth proportional to 374,945.76, 517,408.56 and 205,187.04 is: 283,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,945.76 : 517,408.56 = 205,187.04 : x
  2. Step 2: Convert to fraction form
    374,945.76/517,408.56 = 205,187.04/x
  3. Step 3: Cross multiply
    374,945.76x = 517,408.56 × 205,187.04
  4. Step 4: Simplify right side
    374,945.76x = 106,165,530,897.06
  5. Step 5: Solve for x
    x = 106,165,530,897.06/374,945.76
  6. Step 6: Final answer
    x = 283,149.04

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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.