Home / 206,264.12-309,396.41-56,505.70

Finding the Fourth Proportional to 206,264.12, 309,396.41 and 56,505.70

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Solution

The fourth proportional to 206,264.12, 309,396.41 and 56,505.70 is: 84,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,264.12 : 309,396.41 = 56,505.70 : x
  2. Step 2: Convert to fraction form
    206,264.12/309,396.41 = 56,505.70/x
  3. Step 3: Cross multiply
    206,264.12x = 309,396.41 × 56,505.70
  4. Step 4: Simplify right side
    206,264.12x = 17,482,661,040.65
  5. Step 5: Solve for x
    x = 17,482,661,040.65/206,264.12
  6. Step 6: Final answer
    x = 84,758.61

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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.