Home / 320,860.52-442,904.32-186,724.52

Finding the Fourth Proportional to 320,860.52, 442,904.32 and 186,724.52

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Solution

The fourth proportional to 320,860.52, 442,904.32 and 186,724.52 is: 257,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,860.52 : 442,904.32 = 186,724.52 : x
  2. Step 2: Convert to fraction form
    320,860.52/442,904.32 = 186,724.52/x
  3. Step 3: Cross multiply
    320,860.52x = 442,904.32 × 186,724.52
  4. Step 4: Simplify right side
    320,860.52x = 82,701,096,557.93
  5. Step 5: Solve for x
    x = 82,701,096,557.93/320,860.52
  6. Step 6: Final answer
    x = 257,747.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.