Home / 276,966.96-415,284.18-127,019.40

Finding the Fourth Proportional to 276,966.96, 415,284.18 and 127,019.40

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Solution

The fourth proportional to 276,966.96, 415,284.18 and 127,019.40 is: 190,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,966.96 : 415,284.18 = 127,019.40 : x
  2. Step 2: Convert to fraction form
    276,966.96/415,284.18 = 127,019.40/x
  3. Step 3: Cross multiply
    276,966.96x = 415,284.18 × 127,019.40
  4. Step 4: Simplify right side
    276,966.96x = 52,749,147,373.09
  5. Step 5: Solve for x
    x = 52,749,147,373.09/276,966.96
  6. Step 6: Final answer
    x = 190,452.85

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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.