Home / 347,734.80-521,602.20-269,002.80

Finding the Fourth Proportional to 347,734.80, 521,602.20 and 269,002.80

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Solution

The fourth proportional to 347,734.80, 521,602.20 and 269,002.80 is: 403,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,734.80 : 521,602.20 = 269,002.80 : x
  2. Step 2: Convert to fraction form
    347,734.80/521,602.20 = 269,002.80/x
  3. Step 3: Cross multiply
    347,734.80x = 521,602.20 × 269,002.80
  4. Step 4: Simplify right side
    347,734.80x = 140,312,452,286.16
  5. Step 5: Solve for x
    x = 140,312,452,286.16/347,734.80
  6. Step 6: Final answer
    x = 403,504.20

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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.