Home / 205,360.11-307,610.87-165,161.84

Finding the Fourth Proportional to 205,360.11, 307,610.87 and 165,161.84

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Solution

The fourth proportional to 205,360.11, 307,610.87 and 165,161.84 is: 247,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,360.11 : 307,610.87 = 165,161.84 : x
  2. Step 2: Convert to fraction form
    205,360.11/307,610.87 = 165,161.84/x
  3. Step 3: Cross multiply
    205,360.11x = 307,610.87 × 165,161.84
  4. Step 4: Simplify right side
    205,360.11x = 50,805,574,929.34
  5. Step 5: Solve for x
    x = 50,805,574,929.34/205,360.11
  6. Step 6: Final answer
    x = 247,397.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.