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Finding the Fourth Proportional to 274,754.40, 411,440.40 and 180,751.20

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Solution

The fourth proportional to 274,754.40, 411,440.40 and 180,751.20 is: 270,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,754.40 : 411,440.40 = 180,751.20 : x
  2. Step 2: Convert to fraction form
    274,754.40/411,440.40 = 180,751.20/x
  3. Step 3: Cross multiply
    274,754.40x = 411,440.40 × 180,751.20
  4. Step 4: Simplify right side
    274,754.40x = 74,368,346,028.48
  5. Step 5: Solve for x
    x = 74,368,346,028.48/274,754.40
  6. Step 6: Final answer
    x = 270,672.08

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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.