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Finding the Fourth Proportional to 276,816.60, 415,224.90 and 271,567.80

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Solution

The fourth proportional to 276,816.60, 415,224.90 and 271,567.80 is: 407,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,816.60 : 415,224.90 = 271,567.80 : x
  2. Step 2: Convert to fraction form
    276,816.60/415,224.90 = 271,567.80/x
  3. Step 3: Cross multiply
    276,816.60x = 415,224.90 × 271,567.80
  4. Step 4: Simplify right side
    276,816.60x = 112,761,712,598.22
  5. Step 5: Solve for x
    x = 112,761,712,598.22/276,816.60
  6. Step 6: Final answer
    x = 407,351.70

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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.