Home / 248,433.62-342,844.56-135,262.58

Finding the Fourth Proportional to 248,433.62, 342,844.56 and 135,262.58

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Solution

The fourth proportional to 248,433.62, 342,844.56 and 135,262.58 is: 186,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433.62 : 342,844.56 = 135,262.58 : x
  2. Step 2: Convert to fraction form
    248,433.62/342,844.56 = 135,262.58/x
  3. Step 3: Cross multiply
    248,433.62x = 342,844.56 × 135,262.58
  4. Step 4: Simplify right side
    248,433.62x = 46,374,039,724.56
  5. Step 5: Solve for x
    x = 46,374,039,724.56/248,433.62
  6. Step 6: Final answer
    x = 186,665.72

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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.