Home / 306,029.18-422,293.39-170,054.51

Finding the Fourth Proportional to 306,029.18, 422,293.39 and 170,054.51

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Solution

The fourth proportional to 306,029.18, 422,293.39 and 170,054.51 is: 234,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,029.18 : 422,293.39 = 170,054.51 : x
  2. Step 2: Convert to fraction form
    306,029.18/422,293.39 = 170,054.51/x
  3. Step 3: Cross multiply
    306,029.18x = 422,293.39 × 170,054.51
  4. Step 4: Simplify right side
    306,029.18x = 71,812,896,143.29
  5. Step 5: Solve for x
    x = 71,812,896,143.29/306,029.18
  6. Step 6: Final answer
    x = 234,660.29

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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.