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Finding the Fourth Proportional to 201,281.33, 301,958.45 and 82,888.09

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Solution

The fourth proportional to 201,281.33, 301,958.45 and 82,888.09 is: 124,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,281.33 : 301,958.45 = 82,888.09 : x
  2. Step 2: Convert to fraction form
    201,281.33/301,958.45 = 82,888.09/x
  3. Step 3: Cross multiply
    201,281.33x = 301,958.45 × 82,888.09
  4. Step 4: Simplify right side
    201,281.33x = 25,028,759,179.86
  5. Step 5: Solve for x
    x = 25,028,759,179.86/201,281.33
  6. Step 6: Final answer
    x = 124,347.15

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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.