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Finding the Fourth Proportional to 201,193.20, 301,789.80 and 118,249.20

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Solution

The fourth proportional to 201,193.20, 301,789.80 and 118,249.20 is: 177,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,193.20 : 301,789.80 = 118,249.20 : x
  2. Step 2: Convert to fraction form
    201,193.20/301,789.80 = 118,249.20/x
  3. Step 3: Cross multiply
    201,193.20x = 301,789.80 × 118,249.20
  4. Step 4: Simplify right side
    201,193.20x = 35,686,402,418.16
  5. Step 5: Solve for x
    x = 35,686,402,418.16/201,193.20
  6. Step 6: Final answer
    x = 177,373.80

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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.