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Finding the Fourth Proportional to 397,038.56, 548,199.26 and 244,282.28

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Solution

The fourth proportional to 397,038.56, 548,199.26 and 244,282.28 is: 337,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,038.56 : 548,199.26 = 244,282.28 : x
  2. Step 2: Convert to fraction form
    397,038.56/548,199.26 = 244,282.28/x
  3. Step 3: Cross multiply
    397,038.56x = 548,199.26 × 244,282.28
  4. Step 4: Simplify right side
    397,038.56x = 133,915,365,127.11
  5. Step 5: Solve for x
    x = 133,915,365,127.11/397,038.56
  6. Step 6: Final answer
    x = 337,285.54

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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.