Home / 251,805.65-347,521.79-144,375.35

Finding the Fourth Proportional to 251,805.65, 347,521.79 and 144,375.35

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Solution

The fourth proportional to 251,805.65, 347,521.79 and 144,375.35 is: 199,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,805.65 : 347,521.79 = 144,375.35 : x
  2. Step 2: Convert to fraction form
    251,805.65/347,521.79 = 144,375.35/x
  3. Step 3: Cross multiply
    251,805.65x = 347,521.79 × 144,375.35
  4. Step 4: Simplify right side
    251,805.65x = 50,173,578,687.21
  5. Step 5: Solve for x
    x = 50,173,578,687.21/251,805.65
  6. Step 6: Final answer
    x = 199,255.18

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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.