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Finding the Fourth Proportional to 268,779.37, 402,696.10 and 252,778.73

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Solution

The fourth proportional to 268,779.37, 402,696.10 and 252,778.73 is: 378,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779.37 : 402,696.10 = 252,778.73 : x
  2. Step 2: Convert to fraction form
    268,779.37/402,696.10 = 252,778.73/x
  3. Step 3: Cross multiply
    268,779.37x = 402,696.10 × 252,778.73
  4. Step 4: Simplify right side
    268,779.37x = 101,793,007,866.26
  5. Step 5: Solve for x
    x = 101,793,007,866.26/268,779.37
  6. Step 6: Final answer
    x = 378,723.30

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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.