Home / 264,212.40-396,318.60-254,881.20

Finding the Fourth Proportional to 264,212.40, 396,318.60 and 254,881.20

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Solution

The fourth proportional to 264,212.40, 396,318.60 and 254,881.20 is: 382,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,212.40 : 396,318.60 = 254,881.20 : x
  2. Step 2: Convert to fraction form
    264,212.40/396,318.60 = 254,881.20/x
  3. Step 3: Cross multiply
    264,212.40x = 396,318.60 × 254,881.20
  4. Step 4: Simplify right side
    264,212.40x = 101,014,160,350.32
  5. Step 5: Solve for x
    x = 101,014,160,350.32/264,212.40
  6. Step 6: Final answer
    x = 382,321.80

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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.