Home / 293,725.18-405,360.78-166,401.82

Finding the Fourth Proportional to 293,725.18, 405,360.78 and 166,401.82

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Solution

The fourth proportional to 293,725.18, 405,360.78 and 166,401.82 is: 229,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,725.18 : 405,360.78 = 166,401.82 : x
  2. Step 2: Convert to fraction form
    293,725.18/405,360.78 = 166,401.82/x
  3. Step 3: Cross multiply
    293,725.18x = 405,360.78 × 166,401.82
  4. Step 4: Simplify right side
    293,725.18x = 67,452,771,548.62
  5. Step 5: Solve for x
    x = 67,452,771,548.62/293,725.18
  6. Step 6: Final answer
    x = 229,645.86

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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.