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Finding the Fourth Proportional to 306,069.60, 459,104.40 and 95,728.80

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Solution

The fourth proportional to 306,069.60, 459,104.40 and 95,728.80 is: 143,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,069.60 : 459,104.40 = 95,728.80 : x
  2. Step 2: Convert to fraction form
    306,069.60/459,104.40 = 95,728.80/x
  3. Step 3: Cross multiply
    306,069.60x = 459,104.40 × 95,728.80
  4. Step 4: Simplify right side
    306,069.60x = 43,949,513,286.72
  5. Step 5: Solve for x
    x = 43,949,513,286.72/306,069.60
  6. Step 6: Final answer
    x = 143,593.20

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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.