Home / 283,353.40-391,015.04-162,407.96

Finding the Fourth Proportional to 283,353.40, 391,015.04 and 162,407.96

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Solution

The fourth proportional to 283,353.40, 391,015.04 and 162,407.96 is: 224,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,353.40 : 391,015.04 = 162,407.96 : x
  2. Step 2: Convert to fraction form
    283,353.40/391,015.04 = 162,407.96/x
  3. Step 3: Cross multiply
    283,353.40x = 391,015.04 × 162,407.96
  4. Step 4: Simplify right side
    283,353.40x = 63,503,954,975.72
  5. Step 5: Solve for x
    x = 63,503,954,975.72/283,353.40
  6. Step 6: Final answer
    x = 224,115.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.