Home / 242,914.25-335,222.18-135,481.52

Finding the Fourth Proportional to 242,914.25, 335,222.18 and 135,481.52

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Solution

The fourth proportional to 242,914.25, 335,222.18 and 135,481.52 is: 186,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,914.25 : 335,222.18 = 135,481.52 : x
  2. Step 2: Convert to fraction form
    242,914.25/335,222.18 = 135,481.52/x
  3. Step 3: Cross multiply
    242,914.25x = 335,222.18 × 135,481.52
  4. Step 4: Simplify right side
    242,914.25x = 45,416,411,152.82
  5. Step 5: Solve for x
    x = 45,416,411,152.82/242,914.25
  6. Step 6: Final answer
    x = 186,964.79

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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.