Home / 215,515.89-323,273.63-57,740.04

Finding the Fourth Proportional to 215,515.89, 323,273.63 and 57,740.04

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Solution

The fourth proportional to 215,515.89, 323,273.63 and 57,740.04 is: 86,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,515.89 : 323,273.63 = 57,740.04 : x
  2. Step 2: Convert to fraction form
    215,515.89/323,273.63 = 57,740.04/x
  3. Step 3: Cross multiply
    215,515.89x = 323,273.63 × 57,740.04
  4. Step 4: Simplify right side
    215,515.89x = 18,665,832,471.50
  5. Step 5: Solve for x
    x = 18,665,832,471.50/215,515.89
  6. Step 6: Final answer
    x = 86,610.01

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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.