Home / 416,299.33-574,493.05-225,312.72

Finding the Fourth Proportional to 416,299.33, 574,493.05 and 225,312.72

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Solution

The fourth proportional to 416,299.33, 574,493.05 and 225,312.72 is: 310,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,299.33 : 574,493.05 = 225,312.72 : x
  2. Step 2: Convert to fraction form
    416,299.33/574,493.05 = 225,312.72/x
  3. Step 3: Cross multiply
    416,299.33x = 574,493.05 × 225,312.72
  4. Step 4: Simplify right side
    416,299.33x = 129,440,591,716.60
  5. Step 5: Solve for x
    x = 129,440,591,716.60/416,299.33
  6. Step 6: Final answer
    x = 310,931.54

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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.