Home / 206,306.22-309,482.46-185,115.98

Finding the Fourth Proportional to 206,306.22, 309,482.46 and 185,115.98

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Solution

The fourth proportional to 206,306.22, 309,482.46 and 185,115.98 is: 277,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,306.22 : 309,482.46 = 185,115.98 : x
  2. Step 2: Convert to fraction form
    206,306.22/309,482.46 = 185,115.98/x
  3. Step 3: Cross multiply
    206,306.22x = 309,482.46 × 185,115.98
  4. Step 4: Simplify right side
    206,306.22x = 57,290,148,875.71
  5. Step 5: Solve for x
    x = 57,290,148,875.71/206,306.22
  6. Step 6: Final answer
    x = 277,694.72

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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.