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Finding the Fourth Proportional to 201,310.65, 302,004.08 and 66,382.47

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Solution

The fourth proportional to 201,310.65, 302,004.08 and 66,382.47 is: 99,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,310.65 : 302,004.08 = 66,382.47 : x
  2. Step 2: Convert to fraction form
    201,310.65/302,004.08 = 66,382.47/x
  3. Step 3: Cross multiply
    201,310.65x = 302,004.08 × 66,382.47
  4. Step 4: Simplify right side
    201,310.65x = 20,047,776,448.57
  5. Step 5: Solve for x
    x = 20,047,776,448.57/201,310.65
  6. Step 6: Final answer
    x = 99,586.27

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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.