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Finding the Fourth Proportional to 297,136.82, 445,657.61 and 94,706.62

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Solution

The fourth proportional to 297,136.82, 445,657.61 and 94,706.62 is: 142,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,136.82 : 445,657.61 = 94,706.62 : x
  2. Step 2: Convert to fraction form
    297,136.82/445,657.61 = 94,706.62/x
  3. Step 3: Cross multiply
    297,136.82x = 445,657.61 × 94,706.62
  4. Step 4: Simplify right side
    297,136.82x = 42,206,725,043.00
  5. Step 5: Solve for x
    x = 42,206,725,043.00/297,136.82
  6. Step 6: Final answer
    x = 142,044.75

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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.