Home / 227,983.34-341,982-78,221.57

Finding the Fourth Proportional to 227,983.34, 341,982 and 78,221.57

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Solution

The fourth proportional to 227,983.34, 341,982 and 78,221.57 is: 117,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,983.34 : 341,982 = 78,221.57 : x
  2. Step 2: Convert to fraction form
    227,983.34/341,982 = 78,221.57/x
  3. Step 3: Cross multiply
    227,983.34x = 341,982 × 78,221.57
  4. Step 4: Simplify right side
    227,983.34x = 26,750,367,241.83
  5. Step 5: Solve for x
    x = 26,750,367,241.83/227,983.34
  6. Step 6: Final answer
    x = 117,334.74

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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.