Home / 294,286.12-441,351.18-81,003.40

Finding the Fourth Proportional to 294,286.12, 441,351.18 and 81,003.40

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Solution

The fourth proportional to 294,286.12, 441,351.18 and 81,003.40 is: 121,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,286.12 : 441,351.18 = 81,003.40 : x
  2. Step 2: Convert to fraction form
    294,286.12/441,351.18 = 81,003.40/x
  3. Step 3: Cross multiply
    294,286.12x = 441,351.18 × 81,003.40
  4. Step 4: Simplify right side
    294,286.12x = 35,750,946,174.01
  5. Step 5: Solve for x
    x = 35,750,946,174.01/294,286.12
  6. Step 6: Final answer
    x = 121,483.63

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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.