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Finding the Fourth Proportional to 389,240, 583,860 and 93,752

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Solution

The fourth proportional to 389,240, 583,860 and 93,752 is: 140,628

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,240 : 583,860 = 93,752 : x
  2. Step 2: Convert to fraction form
    389,240/583,860 = 93,752/x
  3. Step 3: Cross multiply
    389,240x = 583,860 × 93,752
  4. Step 4: Simplify right side
    389,240x = 54,738,042,720
  5. Step 5: Solve for x
    x = 54,738,042,720/389,240
  6. Step 6: Final answer
    x = 140,628

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.