Home / 306,724.10-460,086.15-156,914.60

Finding the Fourth Proportional to 306,724.10, 460,086.15 and 156,914.60

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Solution

The fourth proportional to 306,724.10, 460,086.15 and 156,914.60 is: 235,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,724.10 : 460,086.15 = 156,914.60 : x
  2. Step 2: Convert to fraction form
    306,724.10/460,086.15 = 156,914.60/x
  3. Step 3: Cross multiply
    306,724.10x = 460,086.15 × 156,914.60
  4. Step 4: Simplify right side
    306,724.10x = 72,194,234,192.79
  5. Step 5: Solve for x
    x = 72,194,234,192.79/306,724.10
  6. Step 6: Final answer
    x = 235,371.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.