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Finding the Fourth Proportional to 254,234.52, 350,835.30 and 141,065.64

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Solution

The fourth proportional to 254,234.52, 350,835.30 and 141,065.64 is: 194,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234.52 : 350,835.30 = 141,065.64 : x
  2. Step 2: Convert to fraction form
    254,234.52/350,835.30 = 141,065.64/x
  3. Step 3: Cross multiply
    254,234.52x = 350,835.30 × 141,065.64
  4. Step 4: Simplify right side
    254,234.52x = 49,490,806,129.09
  5. Step 5: Solve for x
    x = 49,490,806,129.09/254,234.52
  6. Step 6: Final answer
    x = 194,665.96

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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.