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Finding the Fourth Proportional to 240,613.88, 360,682.74 and 114,031.64

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Solution

The fourth proportional to 240,613.88, 360,682.74 and 114,031.64 is: 170,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,613.88 : 360,682.74 = 114,031.64 : x
  2. Step 2: Convert to fraction form
    240,613.88/360,682.74 = 114,031.64/x
  3. Step 3: Cross multiply
    240,613.88x = 360,682.74 × 114,031.64
  4. Step 4: Simplify right side
    240,613.88x = 41,129,244,361.89
  5. Step 5: Solve for x
    x = 41,129,244,361.89/240,613.88
  6. Step 6: Final answer
    x = 170,934.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.