Home / 382,052.12-527,197.61-209,968.20

Finding the Fourth Proportional to 382,052.12, 527,197.61 and 209,968.20

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Solution

The fourth proportional to 382,052.12, 527,197.61 and 209,968.20 is: 289,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,052.12 : 527,197.61 = 209,968.20 : x
  2. Step 2: Convert to fraction form
    382,052.12/527,197.61 = 209,968.20/x
  3. Step 3: Cross multiply
    382,052.12x = 527,197.61 × 209,968.20
  4. Step 4: Simplify right side
    382,052.12x = 110,694,733,740.92
  5. Step 5: Solve for x
    x = 110,694,733,740.92/382,052.12
  6. Step 6: Final answer
    x = 289,737.26

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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.