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Finding the Fourth Proportional to 395,881.09, 593,813.31 and 96,363.34

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Solution

The fourth proportional to 395,881.09, 593,813.31 and 96,363.34 is: 144,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,881.09 : 593,813.31 = 96,363.34 : x
  2. Step 2: Convert to fraction form
    395,881.09/593,813.31 = 96,363.34/x
  3. Step 3: Cross multiply
    395,881.09x = 593,813.31 × 96,363.34
  4. Step 4: Simplify right side
    395,881.09x = 57,221,833,888.06
  5. Step 5: Solve for x
    x = 57,221,833,888.06/395,881.09
  6. Step 6: Final answer
    x = 144,542.98

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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.