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Finding the Fourth Proportional to 201,370.77, 301,867.43 and 68,157.81

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Solution

The fourth proportional to 201,370.77, 301,867.43 and 68,157.81 is: 102,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,370.77 : 301,867.43 = 68,157.81 : x
  2. Step 2: Convert to fraction form
    201,370.77/301,867.43 = 68,157.81/x
  3. Step 3: Cross multiply
    201,370.77x = 301,867.43 × 68,157.81
  4. Step 4: Simplify right side
    201,370.77x = 20,574,622,598.34
  5. Step 5: Solve for x
    x = 20,574,622,598.34/201,370.77
  6. Step 6: Final answer
    x = 102,172.84

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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.