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Finding the Fourth Proportional to 243,934.88, 336,613.82 and 135,031.82

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Solution

The fourth proportional to 243,934.88, 336,613.82 and 135,031.82 is: 186,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,934.88 : 336,613.82 = 135,031.82 : x
  2. Step 2: Convert to fraction form
    243,934.88/336,613.82 = 135,031.82/x
  3. Step 3: Cross multiply
    243,934.88x = 336,613.82 × 135,031.82
  4. Step 4: Simplify right side
    243,934.88x = 45,453,574,393.52
  5. Step 5: Solve for x
    x = 45,453,574,393.52/243,934.88
  6. Step 6: Final answer
    x = 186,334.87

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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.