Home / 306,207.32-422,580.16-170,255.10

Finding the Fourth Proportional to 306,207.32, 422,580.16 and 170,255.10

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Solution

The fourth proportional to 306,207.32, 422,580.16 and 170,255.10 is: 234,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,207.32 : 422,580.16 = 170,255.10 : x
  2. Step 2: Convert to fraction form
    306,207.32/422,580.16 = 170,255.10/x
  3. Step 3: Cross multiply
    306,207.32x = 422,580.16 × 170,255.10
  4. Step 4: Simplify right side
    306,207.32x = 71,946,427,398.82
  5. Step 5: Solve for x
    x = 71,946,427,398.82/306,207.32
  6. Step 6: Final answer
    x = 234,959.85

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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.