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Finding the Fourth Proportional to 254,057.36, 350,593.80 and 140,877.68

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Solution

The fourth proportional to 254,057.36, 350,593.80 and 140,877.68 is: 194,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,057.36 : 350,593.80 = 140,877.68 : x
  2. Step 2: Convert to fraction form
    254,057.36/350,593.80 = 140,877.68/x
  3. Step 3: Cross multiply
    254,057.36x = 350,593.80 × 140,877.68
  4. Step 4: Simplify right side
    254,057.36x = 49,390,841,166.38
  5. Step 5: Solve for x
    x = 49,390,841,166.38/254,057.36
  6. Step 6: Final answer
    x = 194,408.23

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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.