Home / 545,910.03-818,865.05-213,252.75

Finding the Fourth Proportional to 545,910.03, 818,865.05 and 213,252.75

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Solution

The fourth proportional to 545,910.03, 818,865.05 and 213,252.75 is: 319,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,910.03 : 818,865.05 = 213,252.75 : x
  2. Step 2: Convert to fraction form
    545,910.03/818,865.05 = 213,252.75/x
  3. Step 3: Cross multiply
    545,910.03x = 818,865.05 × 213,252.75
  4. Step 4: Simplify right side
    545,910.03x = 174,625,222,725.12
  5. Step 5: Solve for x
    x = 174,625,222,725.12/545,910.03
  6. Step 6: Final answer
    x = 319,879.13

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Similar ratio
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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.