Home / 206,527.12-309,734.35-56,731.79

Finding the Fourth Proportional to 206,527.12, 309,734.35 and 56,731.79

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Solution

The fourth proportional to 206,527.12, 309,734.35 and 56,731.79 is: 85,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,527.12 : 309,734.35 = 56,731.79 : x
  2. Step 2: Convert to fraction form
    206,527.12/309,734.35 = 56,731.79/x
  3. Step 3: Cross multiply
    206,527.12x = 309,734.35 × 56,731.79
  4. Step 4: Simplify right side
    206,527.12x = 17,571,784,732.49
  5. Step 5: Solve for x
    x = 17,571,784,732.49/206,527.12
  6. Step 6: Final answer
    x = 85,082.22

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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.