Home / 427,914.14-641,878.50-161,799.98

Finding the Fourth Proportional to 427,914.14, 641,878.50 and 161,799.98

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Solution

The fourth proportional to 427,914.14, 641,878.50 and 161,799.98 is: 242,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,914.14 : 641,878.50 = 161,799.98 : x
  2. Step 2: Convert to fraction form
    427,914.14/641,878.50 = 161,799.98/x
  3. Step 3: Cross multiply
    427,914.14x = 641,878.50 × 161,799.98
  4. Step 4: Simplify right side
    427,914.14x = 103,855,928,462.43
  5. Step 5: Solve for x
    x = 103,855,928,462.43/427,914.14
  6. Step 6: Final answer
    x = 242,702.73

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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.