Home / 224,431.94-309,435.92-143,726.78

Finding the Fourth Proportional to 224,431.94, 309,435.92 and 143,726.78

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Solution

The fourth proportional to 224,431.94, 309,435.92 and 143,726.78 is: 198,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,431.94 : 309,435.92 = 143,726.78 : x
  2. Step 2: Convert to fraction form
    224,431.94/309,435.92 = 143,726.78/x
  3. Step 3: Cross multiply
    224,431.94x = 309,435.92 × 143,726.78
  4. Step 4: Simplify right side
    224,431.94x = 44,474,226,132.12
  5. Step 5: Solve for x
    x = 44,474,226,132.12/224,431.94
  6. Step 6: Final answer
    x = 198,163.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.