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Finding the Fourth Proportional to 283,684.08, 425,524.80 and 84,005.60

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Solution

The fourth proportional to 283,684.08, 425,524.80 and 84,005.60 is: 126,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,684.08 : 425,524.80 = 84,005.60 : x
  2. Step 2: Convert to fraction form
    283,684.08/425,524.80 = 84,005.60/x
  3. Step 3: Cross multiply
    283,684.08x = 425,524.80 × 84,005.60
  4. Step 4: Simplify right side
    283,684.08x = 35,746,466,138.88
  5. Step 5: Solve for x
    x = 35,746,466,138.88/283,684.08
  6. Step 6: Final answer
    x = 126,008.01

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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.