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Finding the Fourth Proportional to 253,885.44, 350,348.90 and 146,449.07

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Solution

The fourth proportional to 253,885.44, 350,348.90 and 146,449.07 is: 202,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,885.44 : 350,348.90 = 146,449.07 : x
  2. Step 2: Convert to fraction form
    253,885.44/350,348.90 = 146,449.07/x
  3. Step 3: Cross multiply
    253,885.44x = 350,348.90 × 146,449.07
  4. Step 4: Simplify right side
    253,885.44x = 51,308,268,096.53
  5. Step 5: Solve for x
    x = 51,308,268,096.53/253,885.44
  6. Step 6: Final answer
    x = 202,092.20

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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.