Home / 264,763.42-365,375.97-143,905

Finding the Fourth Proportional to 264,763.42, 365,375.97 and 143,905

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Solution

The fourth proportional to 264,763.42, 365,375.97 and 143,905 is: 198,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,763.42 : 365,375.97 = 143,905 : x
  2. Step 2: Convert to fraction form
    264,763.42/365,375.97 = 143,905/x
  3. Step 3: Cross multiply
    264,763.42x = 365,375.97 × 143,905
  4. Step 4: Simplify right side
    264,763.42x = 52,579,428,962.85
  5. Step 5: Solve for x
    x = 52,579,428,962.85/264,763.42
  6. Step 6: Final answer
    x = 198,590.23

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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.