Home / 292,728.24-403,959.71-165,401.10

Finding the Fourth Proportional to 292,728.24, 403,959.71 and 165,401.10

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Solution

The fourth proportional to 292,728.24, 403,959.71 and 165,401.10 is: 228,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,728.24 : 403,959.71 = 165,401.10 : x
  2. Step 2: Convert to fraction form
    292,728.24/403,959.71 = 165,401.10/x
  3. Step 3: Cross multiply
    292,728.24x = 403,959.71 × 165,401.10
  4. Step 4: Simplify right side
    292,728.24x = 66,815,379,562.68
  5. Step 5: Solve for x
    x = 66,815,379,562.68/292,728.24
  6. Step 6: Final answer
    x = 228,250.54

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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.