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Finding the Fourth Proportional to 183,124.80, 274,687.20 and 165,045.60

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Solution

The fourth proportional to 183,124.80, 274,687.20 and 165,045.60 is: 247,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,124.80 : 274,687.20 = 165,045.60 : x
  2. Step 2: Convert to fraction form
    183,124.80/274,687.20 = 165,045.60/x
  3. Step 3: Cross multiply
    183,124.80x = 274,687.20 × 165,045.60
  4. Step 4: Simplify right side
    183,124.80x = 45,335,913,736.32
  5. Step 5: Solve for x
    x = 45,335,913,736.32/183,124.80
  6. Step 6: Final answer
    x = 247,568.40

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1.5x scale

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.