Home / 382,072.20-527,267.88-209,991.84

Finding the Fourth Proportional to 382,072.20, 527,267.88 and 209,991.84

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Solution

The fourth proportional to 382,072.20, 527,267.88 and 209,991.84 is: 289,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,072.20 : 527,267.88 = 209,991.84 : x
  2. Step 2: Convert to fraction form
    382,072.20/527,267.88 = 209,991.84/x
  3. Step 3: Cross multiply
    382,072.20x = 527,267.88 × 209,991.84
  4. Step 4: Simplify right side
    382,072.20x = 110,721,952,294.10
  5. Step 5: Solve for x
    x = 110,721,952,294.10/382,072.20
  6. Step 6: Final answer
    x = 289,793.27

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1.5x scale

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.