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Finding the Fourth Proportional to 279,233.60, 418,850.40 and 167,259.20

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Solution

The fourth proportional to 279,233.60, 418,850.40 and 167,259.20 is: 250,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,233.60 : 418,850.40 = 167,259.20 : x
  2. Step 2: Convert to fraction form
    279,233.60/418,850.40 = 167,259.20/x
  3. Step 3: Cross multiply
    279,233.60x = 418,850.40 × 167,259.20
  4. Step 4: Simplify right side
    279,233.60x = 70,056,582,823.68
  5. Step 5: Solve for x
    x = 70,056,582,823.68/279,233.60
  6. Step 6: Final answer
    x = 250,888.80

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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.