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Finding the Fourth Proportional to 253,701.74, 350,132.10 and 140,524.58

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Solution

The fourth proportional to 253,701.74, 350,132.10 and 140,524.58 is: 193,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,701.74 : 350,132.10 = 140,524.58 : x
  2. Step 2: Convert to fraction form
    253,701.74/350,132.10 = 140,524.58/x
  3. Step 3: Cross multiply
    253,701.74x = 350,132.10 × 140,524.58
  4. Step 4: Simplify right side
    253,701.74x = 49,202,166,297.02
  5. Step 5: Solve for x
    x = 49,202,166,297.02/253,701.74
  6. Step 6: Final answer
    x = 193,937.05

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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.