Home / 389,330.56-583,992.24-123,091.12

Finding the Fourth Proportional to 389,330.56, 583,992.24 and 123,091.12

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Solution

The fourth proportional to 389,330.56, 583,992.24 and 123,091.12 is: 184,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,330.56 : 583,992.24 = 123,091.12 : x
  2. Step 2: Convert to fraction form
    389,330.56/583,992.24 = 123,091.12/x
  3. Step 3: Cross multiply
    389,330.56x = 583,992.24 × 123,091.12
  4. Step 4: Simplify right side
    389,330.56x = 71,884,258,892.91
  5. Step 5: Solve for x
    x = 71,884,258,892.91/389,330.56
  6. Step 6: Final answer
    x = 184,635.54

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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.