Home / 489,842.27-734,771.19-186,241.05

Finding the Fourth Proportional to 489,842.27, 734,771.19 and 186,241.05

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Solution

The fourth proportional to 489,842.27, 734,771.19 and 186,241.05 is: 279,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,842.27 : 734,771.19 = 186,241.05 : x
  2. Step 2: Convert to fraction form
    489,842.27/734,771.19 = 186,241.05/x
  3. Step 3: Cross multiply
    489,842.27x = 734,771.19 × 186,241.05
  4. Step 4: Simplify right side
    489,842.27x = 136,844,557,935.35
  5. Step 5: Solve for x
    x = 136,844,557,935.35/489,842.27
  6. Step 6: Final answer
    x = 279,364.53

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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.