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Finding the Fourth Proportional to 239,914.68, 359,585.73 and 111,658.37

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Solution

The fourth proportional to 239,914.68, 359,585.73 and 111,658.37 is: 167,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,914.68 : 359,585.73 = 111,658.37 : x
  2. Step 2: Convert to fraction form
    239,914.68/359,585.73 = 111,658.37/x
  3. Step 3: Cross multiply
    239,914.68x = 359,585.73 × 111,658.37
  4. Step 4: Simplify right side
    239,914.68x = 40,150,754,689.13
  5. Step 5: Solve for x
    x = 40,150,754,689.13/239,914.68
  6. Step 6: Final answer
    x = 167,354.31

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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.