Home / 251,668.77-347,317.20-144,256.65

Finding the Fourth Proportional to 251,668.77, 347,317.20 and 144,256.65

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Solution

The fourth proportional to 251,668.77, 347,317.20 and 144,256.65 is: 199,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,668.77 : 347,317.20 = 144,256.65 : x
  2. Step 2: Convert to fraction form
    251,668.77/347,317.20 = 144,256.65/x
  3. Step 3: Cross multiply
    251,668.77x = 347,317.20 × 144,256.65
  4. Step 4: Simplify right side
    251,668.77x = 50,102,815,759.38
  5. Step 5: Solve for x
    x = 50,102,815,759.38/251,668.77
  6. Step 6: Final answer
    x = 199,082.37

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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.