Home / 306,053.10-422,344.85-170,083.62

Finding the Fourth Proportional to 306,053.10, 422,344.85 and 170,083.62

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Solution

The fourth proportional to 306,053.10, 422,344.85 and 170,083.62 is: 234,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,053.10 : 422,344.85 = 170,083.62 : x
  2. Step 2: Convert to fraction form
    306,053.10/422,344.85 = 170,083.62/x
  3. Step 3: Cross multiply
    306,053.10x = 422,344.85 × 170,083.62
  4. Step 4: Simplify right side
    306,053.10x = 71,833,940,125.94
  5. Step 5: Solve for x
    x = 71,833,940,125.94/306,053.10
  6. Step 6: Final answer
    x = 234,710.71

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1.5x scale

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.