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Finding the Fourth Proportional to 201,336.02, 301,346.88 and 148,013.88

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Solution

The fourth proportional to 201,336.02, 301,346.88 and 148,013.88 is: 221,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,336.02 : 301,346.88 = 148,013.88 : x
  2. Step 2: Convert to fraction form
    201,336.02/301,346.88 = 148,013.88/x
  3. Step 3: Cross multiply
    201,336.02x = 301,346.88 × 148,013.88
  4. Step 4: Simplify right side
    201,336.02x = 44,603,520,934.69
  5. Step 5: Solve for x
    x = 44,603,520,934.69/201,336.02
  6. Step 6: Final answer
    x = 221,537.71

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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.