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Finding the Fourth Proportional to 274,751.40, 411,435.90 and 180,748.20

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Solution

The fourth proportional to 274,751.40, 411,435.90 and 180,748.20 is: 270,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,751.40 : 411,435.90 = 180,748.20 : x
  2. Step 2: Convert to fraction form
    274,751.40/411,435.90 = 180,748.20/x
  3. Step 3: Cross multiply
    274,751.40x = 411,435.90 × 180,748.20
  4. Step 4: Simplify right side
    274,751.40x = 74,366,298,340.38
  5. Step 5: Solve for x
    x = 74,366,298,340.38/274,751.40
  6. Step 6: Final answer
    x = 270,667.59

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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.