Home / 215,880.28-323,820.40-58,104.62

Finding the Fourth Proportional to 215,880.28, 323,820.40 and 58,104.62

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Solution

The fourth proportional to 215,880.28, 323,820.40 and 58,104.62 is: 87,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,880.28 : 323,820.40 = 58,104.62 : x
  2. Step 2: Convert to fraction form
    215,880.28/323,820.40 = 58,104.62/x
  3. Step 3: Cross multiply
    215,880.28x = 323,820.40 × 58,104.62
  4. Step 4: Simplify right side
    215,880.28x = 18,815,461,290.25
  5. Step 5: Solve for x
    x = 18,815,461,290.25/215,880.28
  6. Step 6: Final answer
    x = 87,156.92

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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.