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Finding the Fourth Proportional to 248,941.26, 343,479.88 and 141,502.83

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Solution

The fourth proportional to 248,941.26, 343,479.88 and 141,502.83 is: 195,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,941.26 : 343,479.88 = 141,502.83 : x
  2. Step 2: Convert to fraction form
    248,941.26/343,479.88 = 141,502.83/x
  3. Step 3: Cross multiply
    248,941.26x = 343,479.88 × 141,502.83
  4. Step 4: Simplify right side
    248,941.26x = 48,603,375,068.06
  5. Step 5: Solve for x
    x = 48,603,375,068.06/248,941.26
  6. Step 6: Final answer
    x = 195,240.34

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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.