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Finding the Fourth Proportional to 201,140.30, 301,904.85 and 122,408.30

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Solution

The fourth proportional to 201,140.30, 301,904.85 and 122,408.30 is: 183,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,140.30 : 301,904.85 = 122,408.30 : x
  2. Step 2: Convert to fraction form
    201,140.30/301,904.85 = 122,408.30/x
  3. Step 3: Cross multiply
    201,140.30x = 301,904.85 × 122,408.30
  4. Step 4: Simplify right side
    201,140.30x = 36,955,659,450.26
  5. Step 5: Solve for x
    x = 36,955,659,450.26/201,140.30
  6. Step 6: Final answer
    x = 183,730.76

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1.5x scale

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.