Home / 276,985.20-415,469.60-114,862.89

Finding the Fourth Proportional to 276,985.20, 415,469.60 and 114,862.89

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Solution

The fourth proportional to 276,985.20, 415,469.60 and 114,862.89 is: 172,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,985.20 : 415,469.60 = 114,862.89 : x
  2. Step 2: Convert to fraction form
    276,985.20/415,469.60 = 114,862.89/x
  3. Step 3: Cross multiply
    276,985.20x = 415,469.60 × 114,862.89
  4. Step 4: Simplify right side
    276,985.20x = 47,722,038,388.83
  5. Step 5: Solve for x
    x = 47,722,038,388.83/276,985.20
  6. Step 6: Final answer
    x = 172,290.93

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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.