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Finding the Fourth Proportional to 378,050.40, 566,200.80 and 259,077.60

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Solution

The fourth proportional to 378,050.40, 566,200.80 and 259,077.60 is: 388,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,050.40 : 566,200.80 = 259,077.60 : x
  2. Step 2: Convert to fraction form
    378,050.40/566,200.80 = 259,077.60/x
  3. Step 3: Cross multiply
    378,050.40x = 566,200.80 × 259,077.60
  4. Step 4: Simplify right side
    378,050.40x = 146,689,944,382.08
  5. Step 5: Solve for x
    x = 146,689,944,382.08/378,050.40
  6. Step 6: Final answer
    x = 388,016.90

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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.