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Finding the Fourth Proportional to 250,682.68, 345,941.10 and 135,960.86

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Solution

The fourth proportional to 250,682.68, 345,941.10 and 135,960.86 is: 187,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,682.68 : 345,941.10 = 135,960.86 : x
  2. Step 2: Convert to fraction form
    250,682.68/345,941.10 = 135,960.86/x
  3. Step 3: Cross multiply
    250,682.68x = 345,941.10 × 135,960.86
  4. Step 4: Simplify right side
    250,682.68x = 47,034,449,465.35
  5. Step 5: Solve for x
    x = 47,034,449,465.35/250,682.68
  6. Step 6: Final answer
    x = 187,625.45

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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.