Home / 270,500.64-405,787.89-112,692.18

Finding the Fourth Proportional to 270,500.64, 405,787.89 and 112,692.18

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Solution

The fourth proportional to 270,500.64, 405,787.89 and 112,692.18 is: 169,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,500.64 : 405,787.89 = 112,692.18 : x
  2. Step 2: Convert to fraction form
    270,500.64/405,787.89 = 112,692.18/x
  3. Step 3: Cross multiply
    270,500.64x = 405,787.89 × 112,692.18
  4. Step 4: Simplify right side
    270,500.64x = 45,729,121,941.70
  5. Step 5: Solve for x
    x = 45,729,121,941.70/270,500.64
  6. Step 6: Final answer
    x = 169,053.66

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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.