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Finding the Fourth Proportional to 201,761.04, 302,644 and 68,644.02

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Solution

The fourth proportional to 201,761.04, 302,644 and 68,644.02 is: 102,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,761.04 : 302,644 = 68,644.02 : x
  2. Step 2: Convert to fraction form
    201,761.04/302,644 = 68,644.02/x
  3. Step 3: Cross multiply
    201,761.04x = 302,644 × 68,644.02
  4. Step 4: Simplify right side
    201,761.04x = 20,774,700,788.88
  5. Step 5: Solve for x
    x = 20,774,700,788.88/201,761.04
  6. Step 6: Final answer
    x = 102,966.86

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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.