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Finding the Fourth Proportional to 201,114.70, 301,672.05 and 122,253.10

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Solution

The fourth proportional to 201,114.70, 301,672.05 and 122,253.10 is: 183,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,114.70 : 301,672.05 = 122,253.10 : x
  2. Step 2: Convert to fraction form
    201,114.70/301,672.05 = 122,253.10/x
  3. Step 3: Cross multiply
    201,114.70x = 301,672.05 × 122,253.10
  4. Step 4: Simplify right side
    201,114.70x = 36,880,343,295.86
  5. Step 5: Solve for x
    x = 36,880,343,295.86/201,114.70
  6. Step 6: Final answer
    x = 183,379.65

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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.