Home / 293,661.90-405,244.98-172,775.43

Finding the Fourth Proportional to 293,661.90, 405,244.98 and 172,775.43

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Solution

The fourth proportional to 293,661.90, 405,244.98 and 172,775.43 is: 238,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,661.90 : 405,244.98 = 172,775.43 : x
  2. Step 2: Convert to fraction form
    293,661.90/405,244.98 = 172,775.43/x
  3. Step 3: Cross multiply
    293,661.90x = 405,244.98 × 172,775.43
  4. Step 4: Simplify right side
    293,661.90x = 70,016,375,674.84
  5. Step 5: Solve for x
    x = 70,016,375,674.84/293,661.90
  6. Step 6: Final answer
    x = 238,425.13

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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.