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Finding the Fourth Proportional to 201,228.60, 301,879.35 and 101,136.90

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Solution

The fourth proportional to 201,228.60, 301,879.35 and 101,136.90 is: 151,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,228.60 : 301,879.35 = 101,136.90 : x
  2. Step 2: Convert to fraction form
    201,228.60/301,879.35 = 101,136.90/x
  3. Step 3: Cross multiply
    201,228.60x = 301,879.35 × 101,136.90
  4. Step 4: Simplify right side
    201,228.60x = 30,531,141,633.02
  5. Step 5: Solve for x
    x = 30,531,141,633.02/201,228.60
  6. Step 6: Final answer
    x = 151,723.67

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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.