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Finding the Fourth Proportional to 240,660, 360,990 and 65,556

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Solution

The fourth proportional to 240,660, 360,990 and 65,556 is: 98,334

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,660 : 360,990 = 65,556 : x
  2. Step 2: Convert to fraction form
    240,660/360,990 = 65,556/x
  3. Step 3: Cross multiply
    240,660x = 360,990 × 65,556
  4. Step 4: Simplify right side
    240,660x = 23,665,060,440
  5. Step 5: Solve for x
    x = 23,665,060,440/240,660
  6. Step 6: Final answer
    x = 98,334

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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.