Home / 409,839.18-565,581.06-228,562.80

Finding the Fourth Proportional to 409,839.18, 565,581.06 and 228,562.80

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Solution

The fourth proportional to 409,839.18, 565,581.06 and 228,562.80 is: 315,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,839.18 : 565,581.06 = 228,562.80 : x
  2. Step 2: Convert to fraction form
    409,839.18/565,581.06 = 228,562.80/x
  3. Step 3: Cross multiply
    409,839.18x = 565,581.06 × 228,562.80
  4. Step 4: Simplify right side
    409,839.18x = 129,270,790,700.57
  5. Step 5: Solve for x
    x = 129,270,790,700.57/409,839.18
  6. Step 6: Final answer
    x = 315,418.33

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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.