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Finding the Fourth Proportional to 201,388.80, 301,737.60 and 95,980.80

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Solution

The fourth proportional to 201,388.80, 301,737.60 and 95,980.80 is: 143,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,388.80 : 301,737.60 = 95,980.80 : x
  2. Step 2: Convert to fraction form
    201,388.80/301,737.60 = 95,980.80/x
  3. Step 3: Cross multiply
    201,388.80x = 301,737.60 × 95,980.80
  4. Step 4: Simplify right side
    201,388.80x = 28,961,016,238.08
  5. Step 5: Solve for x
    x = 28,961,016,238.08/201,388.80
  6. Step 6: Final answer
    x = 143,806.49

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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.