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Finding the Fourth Proportional to 259,451.00, 389,192.90 and 109,671.57

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Solution

The fourth proportional to 259,451.00, 389,192.90 and 109,671.57 is: 164,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,451.00 : 389,192.90 = 109,671.57 : x
  2. Step 2: Convert to fraction form
    259,451.00/389,192.90 = 109,671.57/x
  3. Step 3: Cross multiply
    259,451.00x = 389,192.90 × 109,671.57
  4. Step 4: Simplify right side
    259,451.00x = 42,683,396,444.40
  5. Step 5: Solve for x
    x = 42,683,396,444.40/259,451.00
  6. Step 6: Final answer
    x = 164,514.29

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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.