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Finding the Fourth Proportional to 283,810.62, 425,234.18 and 171,254.32

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Solution

The fourth proportional to 283,810.62, 425,234.18 and 171,254.32 is: 256,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,810.62 : 425,234.18 = 171,254.32 : x
  2. Step 2: Convert to fraction form
    283,810.62/425,234.18 = 171,254.32/x
  3. Step 3: Cross multiply
    283,810.62x = 425,234.18 × 171,254.32
  4. Step 4: Simplify right side
    283,810.62x = 72,823,190,336.66
  5. Step 5: Solve for x
    x = 72,823,190,336.66/283,810.62
  6. Step 6: Final answer
    x = 256,590.79

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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.