Home / 215,380.46-322,779.54-155,511.33

Finding the Fourth Proportional to 215,380.46, 322,779.54 and 155,511.33

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Solution

The fourth proportional to 215,380.46, 322,779.54 and 155,511.33 is: 233,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,380.46 : 322,779.54 = 155,511.33 : x
  2. Step 2: Convert to fraction form
    215,380.46/322,779.54 = 155,511.33/x
  3. Step 3: Cross multiply
    215,380.46x = 322,779.54 × 155,511.33
  4. Step 4: Simplify right side
    215,380.46x = 50,195,876,313.19
  5. Step 5: Solve for x
    x = 50,195,876,313.19/215,380.46
  6. Step 6: Final answer
    x = 233,056.78

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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.