Home / 282,385.92-422,933.76-134,745.60

Finding the Fourth Proportional to 282,385.92, 422,933.76 and 134,745.60

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Solution

The fourth proportional to 282,385.92, 422,933.76 and 134,745.60 is: 201,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,385.92 : 422,933.76 = 134,745.60 : x
  2. Step 2: Convert to fraction form
    282,385.92/422,933.76 = 134,745.60/x
  3. Step 3: Cross multiply
    282,385.92x = 422,933.76 × 134,745.60
  4. Step 4: Simplify right side
    282,385.92x = 56,988,463,251.46
  5. Step 5: Solve for x
    x = 56,988,463,251.46/282,385.92
  6. Step 6: Final answer
    x = 201,810.57

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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.