Home / 329,723.10-494,575.38-105,097.01

Finding the Fourth Proportional to 329,723.10, 494,575.38 and 105,097.01

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Solution

The fourth proportional to 329,723.10, 494,575.38 and 105,097.01 is: 157,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,723.10 : 494,575.38 = 105,097.01 : x
  2. Step 2: Convert to fraction form
    329,723.10/494,575.38 = 105,097.01/x
  3. Step 3: Cross multiply
    329,723.10x = 494,575.38 × 105,097.01
  4. Step 4: Simplify right side
    329,723.10x = 51,978,391,184.74
  5. Step 5: Solve for x
    x = 51,978,391,184.74/329,723.10
  6. Step 6: Final answer
    x = 157,642.55

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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.