Home / 306,028.43-422,292.35-170,053.76

Finding the Fourth Proportional to 306,028.43, 422,292.35 and 170,053.76

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Solution

The fourth proportional to 306,028.43, 422,292.35 and 170,053.76 is: 234,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,028.43 : 422,292.35 = 170,053.76 : x
  2. Step 2: Convert to fraction form
    306,028.43/422,292.35 = 170,053.76/x
  3. Step 3: Cross multiply
    306,028.43x = 422,292.35 × 170,053.76
  4. Step 4: Simplify right side
    306,028.43x = 71,812,403,417.60
  5. Step 5: Solve for x
    x = 71,812,403,417.60/306,028.43
  6. Step 6: Final answer
    x = 234,659.26

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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.