Home / 291,174.90-401,821.19-163,850.61

Finding the Fourth Proportional to 291,174.90, 401,821.19 and 163,850.61

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Solution

The fourth proportional to 291,174.90, 401,821.19 and 163,850.61 is: 226,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,174.90 : 401,821.19 = 163,850.61 : x
  2. Step 2: Convert to fraction form
    291,174.90/401,821.19 = 163,850.61/x
  3. Step 3: Cross multiply
    291,174.90x = 401,821.19 × 163,850.61
  4. Step 4: Simplify right side
    291,174.90x = 65,838,646,273.17
  5. Step 5: Solve for x
    x = 65,838,646,273.17/291,174.90
  6. Step 6: Final answer
    x = 226,113.74

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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.