Home / 261,002.80-391,504.20-226,010.80

Finding the Fourth Proportional to 261,002.80, 391,504.20 and 226,010.80

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Solution

The fourth proportional to 261,002.80, 391,504.20 and 226,010.80 is: 339,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,002.80 : 391,504.20 = 226,010.80 : x
  2. Step 2: Convert to fraction form
    261,002.80/391,504.20 = 226,010.80/x
  3. Step 3: Cross multiply
    261,002.80x = 391,504.20 × 226,010.80
  4. Step 4: Simplify right side
    261,002.80x = 88,484,177,445.36
  5. Step 5: Solve for x
    x = 88,484,177,445.36/261,002.80
  6. Step 6: Final answer
    x = 339,016.20

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1.5x scale

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.