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Finding the Fourth Proportional to 226,366.98, 339,339.43 and 76,502.48

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Solution

The fourth proportional to 226,366.98, 339,339.43 and 76,502.48 is: 114,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,366.98 : 339,339.43 = 76,502.48 : x
  2. Step 2: Convert to fraction form
    226,366.98/339,339.43 = 76,502.48/x
  3. Step 3: Cross multiply
    226,366.98x = 339,339.43 × 76,502.48
  4. Step 4: Simplify right side
    226,366.98x = 25,960,307,956.79
  5. Step 5: Solve for x
    x = 25,960,307,956.79/226,366.98
  6. Step 6: Final answer
    x = 114,682.40

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1.5x scale

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.