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Finding the Fourth Proportional to 250,793.80, 346,095.48 and 143,366.20

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Solution

The fourth proportional to 250,793.80, 346,095.48 and 143,366.20 is: 197,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,793.80 : 346,095.48 = 143,366.20 : x
  2. Step 2: Convert to fraction form
    250,793.80/346,095.48 = 143,366.20/x
  3. Step 3: Cross multiply
    250,793.80x = 346,095.48 × 143,366.20
  4. Step 4: Simplify right side
    250,793.80x = 49,618,393,804.78
  5. Step 5: Solve for x
    x = 49,618,393,804.78/250,793.80
  6. Step 6: Final answer
    x = 197,845.38

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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.