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Finding the Fourth Proportional to 239,378.63, 330,344.73 and 131,952.51

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Solution

The fourth proportional to 239,378.63, 330,344.73 and 131,952.51 is: 182,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,378.63 : 330,344.73 = 131,952.51 : x
  2. Step 2: Convert to fraction form
    239,378.63/330,344.73 = 131,952.51/x
  3. Step 3: Cross multiply
    239,378.63x = 330,344.73 × 131,952.51
  4. Step 4: Simplify right side
    239,378.63x = 43,589,816,288.77
  5. Step 5: Solve for x
    x = 43,589,816,288.77/239,378.63
  6. Step 6: Final answer
    x = 182,095.69

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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.