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Finding the Fourth Proportional to 276,914.80, 415,350.60 and 108,402.40

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Solution

The fourth proportional to 276,914.80, 415,350.60 and 108,402.40 is: 162,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,914.80 : 415,350.60 = 108,402.40 : x
  2. Step 2: Convert to fraction form
    276,914.80/415,350.60 = 108,402.40/x
  3. Step 3: Cross multiply
    276,914.80x = 415,350.60 × 108,402.40
  4. Step 4: Simplify right side
    276,914.80x = 45,025,001,881.44
  5. Step 5: Solve for x
    x = 45,025,001,881.44/276,914.80
  6. Step 6: Final answer
    x = 162,595.14

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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.