Home / 379,161.40-568,304.64-142,353.04

Finding the Fourth Proportional to 379,161.40, 568,304.64 and 142,353.04

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Solution

The fourth proportional to 379,161.40, 568,304.64 and 142,353.04 is: 213,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,161.40 : 568,304.64 = 142,353.04 : x
  2. Step 2: Convert to fraction form
    379,161.40/568,304.64 = 142,353.04/x
  3. Step 3: Cross multiply
    379,161.40x = 568,304.64 × 142,353.04
  4. Step 4: Simplify right side
    379,161.40x = 80,899,893,150.11
  5. Step 5: Solve for x
    x = 80,899,893,150.11/379,161.40
  6. Step 6: Final answer
    x = 213,365.32

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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.