Home / 223,836.66-309,008.67-172,734.57

Finding the Fourth Proportional to 223,836.66, 309,008.67 and 172,734.57

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Solution

The fourth proportional to 223,836.66, 309,008.67 and 172,734.57 is: 238,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,836.66 : 309,008.67 = 172,734.57 : x
  2. Step 2: Convert to fraction form
    223,836.66/309,008.67 = 172,734.57/x
  3. Step 3: Cross multiply
    223,836.66x = 309,008.67 × 172,734.57
  4. Step 4: Simplify right side
    223,836.66x = 53,376,479,738.72
  5. Step 5: Solve for x
    x = 53,376,479,738.72/223,836.66
  6. Step 6: Final answer
    x = 238,461.74

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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.