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Finding the Fourth Proportional to 201,492.70, 301,979.85 and 122,523.10

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Solution

The fourth proportional to 201,492.70, 301,979.85 and 122,523.10 is: 183,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,492.70 : 301,979.85 = 122,523.10 : x
  2. Step 2: Convert to fraction form
    201,492.70/301,979.85 = 122,523.10/x
  3. Step 3: Cross multiply
    201,492.70x = 301,979.85 × 122,523.10
  4. Step 4: Simplify right side
    201,492.70x = 36,999,507,359.54
  5. Step 5: Solve for x
    x = 36,999,507,359.54/201,492.70
  6. Step 6: Final answer
    x = 183,627.04

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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.