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Finding the Fourth Proportional to 201,304.10, 301,992.60 and 101,212.40

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Solution

The fourth proportional to 201,304.10, 301,992.60 and 101,212.40 is: 151,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,304.10 : 301,992.60 = 101,212.40 : x
  2. Step 2: Convert to fraction form
    201,304.10/301,992.60 = 101,212.40/x
  3. Step 3: Cross multiply
    201,304.10x = 301,992.60 × 101,212.40
  4. Step 4: Simplify right side
    201,304.10x = 30,565,395,828.24
  5. Step 5: Solve for x
    x = 30,565,395,828.24/201,304.10
  6. Step 6: Final answer
    x = 151,836.93

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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.