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Finding the Fourth Proportional to 201,153.52, 301,478.73 and 101,338.84

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Solution

The fourth proportional to 201,153.52, 301,478.73 and 101,338.84 is: 151,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,153.52 : 301,478.73 = 101,338.84 : x
  2. Step 2: Convert to fraction form
    201,153.52/301,478.73 = 101,338.84/x
  3. Step 3: Cross multiply
    201,153.52x = 301,478.73 × 101,338.84
  4. Step 4: Simplify right side
    201,153.52x = 30,551,504,782.87
  5. Step 5: Solve for x
    x = 30,551,504,782.87/201,153.52
  6. Step 6: Final answer
    x = 151,881.53

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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.