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Finding the Fourth Proportional to 575,975.44, 864,348.81 and 239,016.42

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Solution

The fourth proportional to 575,975.44, 864,348.81 and 239,016.42 is: 358,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,975.44 : 864,348.81 = 239,016.42 : x
  2. Step 2: Convert to fraction form
    575,975.44/864,348.81 = 239,016.42/x
  3. Step 3: Cross multiply
    575,975.44x = 864,348.81 × 239,016.42
  4. Step 4: Simplify right side
    575,975.44x = 206,593,557,301.15
  5. Step 5: Solve for x
    x = 206,593,557,301.15/575,975.44
  6. Step 6: Final answer
    x = 358,684.66

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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.