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Finding the Fourth Proportional to 254,057.64, 350,613.54 and 140,877.96

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Solution

The fourth proportional to 254,057.64, 350,613.54 and 140,877.96 is: 194,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,057.64 : 350,613.54 = 140,877.96 : x
  2. Step 2: Convert to fraction form
    254,057.64/350,613.54 = 140,877.96/x
  3. Step 3: Cross multiply
    254,057.64x = 350,613.54 × 140,877.96
  4. Step 4: Simplify right side
    254,057.64x = 49,393,720,263.58
  5. Step 5: Solve for x
    x = 49,393,720,263.58/254,057.64
  6. Step 6: Final answer
    x = 194,419.35

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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.