Home / 230,315.43-345,403.41-80,527.80

Finding the Fourth Proportional to 230,315.43, 345,403.41 and 80,527.80

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Solution

The fourth proportional to 230,315.43, 345,403.41 and 80,527.80 is: 120,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,315.43 : 345,403.41 = 80,527.80 : x
  2. Step 2: Convert to fraction form
    230,315.43/345,403.41 = 80,527.80/x
  3. Step 3: Cross multiply
    230,315.43x = 345,403.41 × 80,527.80
  4. Step 4: Simplify right side
    230,315.43x = 27,814,576,719.80
  5. Step 5: Solve for x
    x = 27,814,576,719.80/230,315.43
  6. Step 6: Final answer
    x = 120,767.32

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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.