Home / 308,373.20-425,626.92-200,756.72

Finding the Fourth Proportional to 308,373.20, 425,626.92 and 200,756.72

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Solution

The fourth proportional to 308,373.20, 425,626.92 and 200,756.72 is: 277,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,373.20 : 425,626.92 = 200,756.72 : x
  2. Step 2: Convert to fraction form
    308,373.20/425,626.92 = 200,756.72/x
  3. Step 3: Cross multiply
    308,373.20x = 425,626.92 × 200,756.72
  4. Step 4: Simplify right side
    308,373.20x = 85,447,464,402.90
  5. Step 5: Solve for x
    x = 85,447,464,402.90/308,373.20
  6. Step 6: Final answer
    x = 277,091.08

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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.