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Finding the Fourth Proportional to 233,487.52, 350,265.84 and 85,732

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Solution

The fourth proportional to 233,487.52, 350,265.84 and 85,732 is: 128,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,487.52 : 350,265.84 = 85,732 : x
  2. Step 2: Convert to fraction form
    233,487.52/350,265.84 = 85,732/x
  3. Step 3: Cross multiply
    233,487.52x = 350,265.84 × 85,732
  4. Step 4: Simplify right side
    233,487.52x = 30,028,990,994.88
  5. Step 5: Solve for x
    x = 30,028,990,994.88/233,487.52
  6. Step 6: Final answer
    x = 128,610.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.