Home / 382,982.40-574,243.20-196,358.40

Finding the Fourth Proportional to 382,982.40, 574,243.20 and 196,358.40

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Solution

The fourth proportional to 382,982.40, 574,243.20 and 196,358.40 is: 294,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,982.40 : 574,243.20 = 196,358.40 : x
  2. Step 2: Convert to fraction form
    382,982.40/574,243.20 = 196,358.40/x
  3. Step 3: Cross multiply
    382,982.40x = 574,243.20 × 196,358.40
  4. Step 4: Simplify right side
    382,982.40x = 112,757,475,962.88
  5. Step 5: Solve for x
    x = 112,757,475,962.88/382,982.40
  6. Step 6: Final answer
    x = 294,419.47

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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.