Home / 276,727.10-415,090.65-271,478.30

Finding the Fourth Proportional to 276,727.10, 415,090.65 and 271,478.30

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Solution

The fourth proportional to 276,727.10, 415,090.65 and 271,478.30 is: 407,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727.10 : 415,090.65 = 271,478.30 : x
  2. Step 2: Convert to fraction form
    276,727.10/415,090.65 = 271,478.30/x
  3. Step 3: Cross multiply
    276,727.10x = 415,090.65 × 271,478.30
  4. Step 4: Simplify right side
    276,727.10x = 112,688,104,007.90
  5. Step 5: Solve for x
    x = 112,688,104,007.90/276,727.10
  6. Step 6: Final answer
    x = 407,217.45

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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.