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Finding the Fourth Proportional to 201,480.30, 302,134.05 and 101,601.90

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Solution

The fourth proportional to 201,480.30, 302,134.05 and 101,601.90 is: 152,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,480.30 : 302,134.05 = 101,601.90 : x
  2. Step 2: Convert to fraction form
    201,480.30/302,134.05 = 101,601.90/x
  3. Step 3: Cross multiply
    201,480.30x = 302,134.05 × 101,601.90
  4. Step 4: Simplify right side
    201,480.30x = 30,697,393,534.70
  5. Step 5: Solve for x
    x = 30,697,393,534.70/201,480.30
  6. Step 6: Final answer
    x = 152,359.28

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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.