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Finding the Fourth Proportional to 244,879.53, 337,915.23 and 137,428.82

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Solution

The fourth proportional to 244,879.53, 337,915.23 and 137,428.82 is: 189,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,879.53 : 337,915.23 = 137,428.82 : x
  2. Step 2: Convert to fraction form
    244,879.53/337,915.23 = 137,428.82/x
  3. Step 3: Cross multiply
    244,879.53x = 337,915.23 × 137,428.82
  4. Step 4: Simplify right side
    244,879.53x = 46,439,289,629.35
  5. Step 5: Solve for x
    x = 46,439,289,629.35/244,879.53
  6. Step 6: Final answer
    x = 189,641.37

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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.