Home / 281,820.16-388,953.37-178,463.79

Finding the Fourth Proportional to 281,820.16, 388,953.37 and 178,463.79

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Solution

The fourth proportional to 281,820.16, 388,953.37 and 178,463.79 is: 246,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,820.16 : 388,953.37 = 178,463.79 : x
  2. Step 2: Convert to fraction form
    281,820.16/388,953.37 = 178,463.79/x
  3. Step 3: Cross multiply
    281,820.16x = 388,953.37 × 178,463.79
  4. Step 4: Simplify right side
    281,820.16x = 69,414,092,766.55
  5. Step 5: Solve for x
    x = 69,414,092,766.55/281,820.16
  6. Step 6: Final answer
    x = 246,306.34

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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.