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Finding the Fourth Proportional to 203,589.92, 280,941.41 and 112,944.04

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Solution

The fourth proportional to 203,589.92, 280,941.41 and 112,944.04 is: 155,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,589.92 : 280,941.41 = 112,944.04 : x
  2. Step 2: Convert to fraction form
    203,589.92/280,941.41 = 112,944.04/x
  3. Step 3: Cross multiply
    203,589.92x = 280,941.41 × 112,944.04
  4. Step 4: Simplify right side
    203,589.92x = 31,730,657,428.70
  5. Step 5: Solve for x
    x = 31,730,657,428.70/203,589.92
  6. Step 6: Final answer
    x = 155,855.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.