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Finding the Fourth Proportional to 242,639.04, 364,120.52 and 84,867.48

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Solution

The fourth proportional to 242,639.04, 364,120.52 and 84,867.48 is: 127,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,639.04 : 364,120.52 = 84,867.48 : x
  2. Step 2: Convert to fraction form
    242,639.04/364,120.52 = 84,867.48/x
  3. Step 3: Cross multiply
    242,639.04x = 364,120.52 × 84,867.48
  4. Step 4: Simplify right side
    242,639.04x = 30,901,990,524.35
  5. Step 5: Solve for x
    x = 30,901,990,524.35/242,639.04
  6. Step 6: Final answer
    x = 127,357.86

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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.