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Finding the Fourth Proportional to 250,841.75, 346,138.52 and 148,849.52

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Solution

The fourth proportional to 250,841.75, 346,138.52 and 148,849.52 is: 205,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,841.75 : 346,138.52 = 148,849.52 : x
  2. Step 2: Convert to fraction form
    250,841.75/346,138.52 = 148,849.52/x
  3. Step 3: Cross multiply
    250,841.75x = 346,138.52 × 148,849.52
  4. Step 4: Simplify right side
    250,841.75x = 51,522,550,080.57
  5. Step 5: Solve for x
    x = 51,522,550,080.57/250,841.75
  6. Step 6: Final answer
    x = 205,398.63

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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.