Home / 237,718.89-328,054.64-130,286.61

Finding the Fourth Proportional to 237,718.89, 328,054.64 and 130,286.61

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Solution

The fourth proportional to 237,718.89, 328,054.64 and 130,286.61 is: 179,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,718.89 : 328,054.64 = 130,286.61 : x
  2. Step 2: Convert to fraction form
    237,718.89/328,054.64 = 130,286.61/x
  3. Step 3: Cross multiply
    237,718.89x = 328,054.64 × 130,286.61
  4. Step 4: Simplify right side
    237,718.89x = 42,741,126,288.94
  5. Step 5: Solve for x
    x = 42,741,126,288.94/237,718.89
  6. Step 6: Final answer
    x = 179,796.93

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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.