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Finding the Fourth Proportional to 283,488.54, 425,019 and 171,142.05

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Solution

The fourth proportional to 283,488.54, 425,019 and 171,142.05 is: 256,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,488.54 : 425,019 = 171,142.05 : x
  2. Step 2: Convert to fraction form
    283,488.54/425,019 = 171,142.05/x
  3. Step 3: Cross multiply
    283,488.54x = 425,019 × 171,142.05
  4. Step 4: Simplify right side
    283,488.54x = 72,738,622,948.95
  5. Step 5: Solve for x
    x = 72,738,622,948.95/283,488.54
  6. Step 6: Final answer
    x = 256,584.00

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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.