Home / 306,035.60-422,331.46-170,082.30

Finding the Fourth Proportional to 306,035.60, 422,331.46 and 170,082.30

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Solution

The fourth proportional to 306,035.60, 422,331.46 and 170,082.30 is: 234,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,035.60 : 422,331.46 = 170,082.30 : x
  2. Step 2: Convert to fraction form
    306,035.60/422,331.46 = 170,082.30/x
  3. Step 3: Cross multiply
    306,035.60x = 422,331.46 × 170,082.30
  4. Step 4: Simplify right side
    306,035.60x = 71,831,106,079.16
  5. Step 5: Solve for x
    x = 71,831,106,079.16/306,035.60
  6. Step 6: Final answer
    x = 234,714.87

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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.