Home / 227,452.40-313,899.02-131,991.20

Finding the Fourth Proportional to 227,452.40, 313,899.02 and 131,991.20

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Solution

The fourth proportional to 227,452.40, 313,899.02 and 131,991.20 is: 182,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,452.40 : 313,899.02 = 131,991.20 : x
  2. Step 2: Convert to fraction form
    227,452.40/313,899.02 = 131,991.20/x
  3. Step 3: Cross multiply
    227,452.40x = 313,899.02 × 131,991.20
  4. Step 4: Simplify right side
    227,452.40x = 41,431,908,328.62
  5. Step 5: Solve for x
    x = 41,431,908,328.62/227,452.40
  6. Step 6: Final answer
    x = 182,156.39

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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.