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Finding the Fourth Proportional to 228,581.70, 342,872.55 and 62,369.70

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Solution

The fourth proportional to 228,581.70, 342,872.55 and 62,369.70 is: 93,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,581.70 : 342,872.55 = 62,369.70 : x
  2. Step 2: Convert to fraction form
    228,581.70/342,872.55 = 62,369.70/x
  3. Step 3: Cross multiply
    228,581.70x = 342,872.55 × 62,369.70
  4. Step 4: Simplify right side
    228,581.70x = 21,384,858,081.74
  5. Step 5: Solve for x
    x = 21,384,858,081.74/228,581.70
  6. Step 6: Final answer
    x = 93,554.55

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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.