Home / 361,865.46-542,659.59-121,914.87

Finding the Fourth Proportional to 361,865.46, 542,659.59 and 121,914.87

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Solution

The fourth proportional to 361,865.46, 542,659.59 and 121,914.87 is: 182,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,865.46 : 542,659.59 = 121,914.87 : x
  2. Step 2: Convert to fraction form
    361,865.46/542,659.59 = 121,914.87/x
  3. Step 3: Cross multiply
    361,865.46x = 542,659.59 × 121,914.87
  4. Step 4: Simplify right side
    361,865.46x = 66,158,273,369.10
  5. Step 5: Solve for x
    x = 66,158,273,369.10/361,865.46
  6. Step 6: Final answer
    x = 182,825.61

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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.