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Finding the Fourth Proportional to 283,810.63, 425,234.18 and 171,254.33

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Solution

The fourth proportional to 283,810.63, 425,234.18 and 171,254.33 is: 256,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,810.63 : 425,234.18 = 171,254.33 : x
  2. Step 2: Convert to fraction form
    283,810.63/425,234.18 = 171,254.33/x
  3. Step 3: Cross multiply
    283,810.63x = 425,234.18 × 171,254.33
  4. Step 4: Simplify right side
    283,810.63x = 72,823,194,589.00
  5. Step 5: Solve for x
    x = 72,823,194,589.00/283,810.63
  6. Step 6: Final answer
    x = 256,590.79

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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.