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Finding the Fourth Proportional to 250,350.42, 345,497.42 and 142,954.95

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Solution

The fourth proportional to 250,350.42, 345,497.42 and 142,954.95 is: 197,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,350.42 : 345,497.42 = 142,954.95 : x
  2. Step 2: Convert to fraction form
    250,350.42/345,497.42 = 142,954.95/x
  3. Step 3: Cross multiply
    250,350.42x = 345,497.42 × 142,954.95
  4. Step 4: Simplify right side
    250,350.42x = 49,390,566,401.23
  5. Step 5: Solve for x
    x = 49,390,566,401.23/250,350.42
  6. Step 6: Final answer
    x = 197,285.73

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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.