Home / 306,039.47-422,326.05-170,069.93

Finding the Fourth Proportional to 306,039.47, 422,326.05 and 170,069.93

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Solution

The fourth proportional to 306,039.47, 422,326.05 and 170,069.93 is: 234,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,039.47 : 422,326.05 = 170,069.93 : x
  2. Step 2: Convert to fraction form
    306,039.47/422,326.05 = 170,069.93/x
  3. Step 3: Cross multiply
    306,039.47x = 422,326.05 × 170,069.93
  4. Step 4: Simplify right side
    306,039.47x = 71,824,961,551.65
  5. Step 5: Solve for x
    x = 71,824,961,551.65/306,039.47
  6. Step 6: Final answer
    x = 234,691.83

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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.