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Finding the Fourth Proportional to 253,735.67, 350,155.50 and 137,449.41

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Solution

The fourth proportional to 253,735.67, 350,155.50 and 137,449.41 is: 189,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,735.67 : 350,155.50 = 137,449.41 : x
  2. Step 2: Convert to fraction form
    253,735.67/350,155.50 = 137,449.41/x
  3. Step 3: Cross multiply
    253,735.67x = 350,155.50 × 137,449.41
  4. Step 4: Simplify right side
    253,735.67x = 48,128,666,883.26
  5. Step 5: Solve for x
    x = 48,128,666,883.26/253,735.67
  6. Step 6: Final answer
    x = 189,680.33

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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.