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Finding the Fourth Proportional to 241,479.14, 362,136.69 and 83,670.80

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Solution

The fourth proportional to 241,479.14, 362,136.69 and 83,670.80 is: 125,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,479.14 : 362,136.69 = 83,670.80 : x
  2. Step 2: Convert to fraction form
    241,479.14/362,136.69 = 83,670.80/x
  3. Step 3: Cross multiply
    241,479.14x = 362,136.69 × 83,670.80
  4. Step 4: Simplify right side
    241,479.14x = 30,300,266,561.65
  5. Step 5: Solve for x
    x = 30,300,266,561.65/241,479.14
  6. Step 6: Final answer
    x = 125,477.78

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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.