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Finding the Fourth Proportional to 276,021.60, 414,032.40 and 181,543.20

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Solution

The fourth proportional to 276,021.60, 414,032.40 and 181,543.20 is: 272,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,021.60 : 414,032.40 = 181,543.20 : x
  2. Step 2: Convert to fraction form
    276,021.60/414,032.40 = 181,543.20/x
  3. Step 3: Cross multiply
    276,021.60x = 414,032.40 × 181,543.20
  4. Step 4: Simplify right side
    276,021.60x = 75,164,766,799.68
  5. Step 5: Solve for x
    x = 75,164,766,799.68/276,021.60
  6. Step 6: Final answer
    x = 272,314.80

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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.