Home / 215,577.90-323,366.85-205,901.10

Finding the Fourth Proportional to 215,577.90, 323,366.85 and 205,901.10

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Solution

The fourth proportional to 215,577.90, 323,366.85 and 205,901.10 is: 308,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,577.90 : 323,366.85 = 205,901.10 : x
  2. Step 2: Convert to fraction form
    215,577.90/323,366.85 = 205,901.10/x
  3. Step 3: Cross multiply
    215,577.90x = 323,366.85 × 205,901.10
  4. Step 4: Simplify right side
    215,577.90x = 66,581,590,118.54
  5. Step 5: Solve for x
    x = 66,581,590,118.54/215,577.90
  6. Step 6: Final answer
    x = 308,851.65

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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.