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Finding the Fourth Proportional to 276,301.60, 414,452.40 and 98,893.60

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Solution

The fourth proportional to 276,301.60, 414,452.40 and 98,893.60 is: 148,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,301.60 : 414,452.40 = 98,893.60 : x
  2. Step 2: Convert to fraction form
    276,301.60/414,452.40 = 98,893.60/x
  3. Step 3: Cross multiply
    276,301.60x = 414,452.40 × 98,893.60
  4. Step 4: Simplify right side
    276,301.60x = 40,986,689,864.64
  5. Step 5: Solve for x
    x = 40,986,689,864.64/276,301.60
  6. Step 6: Final answer
    x = 148,340.40

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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.