Home / 311,206.80-466,421.40-228,003.60

Finding the Fourth Proportional to 311,206.80, 466,421.40 and 228,003.60

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Solution

The fourth proportional to 311,206.80, 466,421.40 and 228,003.60 is: 341,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,206.80 : 466,421.40 = 228,003.60 : x
  2. Step 2: Convert to fraction form
    311,206.80/466,421.40 = 228,003.60/x
  3. Step 3: Cross multiply
    311,206.80x = 466,421.40 × 228,003.60
  4. Step 4: Simplify right side
    311,206.80x = 106,345,758,317.04
  5. Step 5: Solve for x
    x = 106,345,758,317.04/311,206.80
  6. Step 6: Final answer
    x = 341,720.55

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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.