Home / 389,867.66-584,330.24-189,888.38

Finding the Fourth Proportional to 389,867.66, 584,330.24 and 189,888.38

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Solution

The fourth proportional to 389,867.66, 584,330.24 and 189,888.38 is: 284,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,867.66 : 584,330.24 = 189,888.38 : x
  2. Step 2: Convert to fraction form
    389,867.66/584,330.24 = 189,888.38/x
  3. Step 3: Cross multiply
    389,867.66x = 584,330.24 × 189,888.38
  4. Step 4: Simplify right side
    389,867.66x = 110,957,520,211.68
  5. Step 5: Solve for x
    x = 110,957,520,211.68/389,867.66
  6. Step 6: Final answer
    x = 284,603.04

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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.