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Finding the Fourth Proportional to 363,454.80, 544,015.80 and 284,139.60

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Solution

The fourth proportional to 363,454.80, 544,015.80 and 284,139.60 is: 425,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,454.80 : 544,015.80 = 284,139.60 : x
  2. Step 2: Convert to fraction form
    363,454.80/544,015.80 = 284,139.60/x
  3. Step 3: Cross multiply
    363,454.80x = 544,015.80 × 284,139.60
  4. Step 4: Simplify right side
    363,454.80x = 154,576,431,805.68
  5. Step 5: Solve for x
    x = 154,576,431,805.68/363,454.80
  6. Step 6: Final answer
    x = 425,297.54

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1.5x scale

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.