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Finding the Fourth Proportional to 240,720, 361,080 and 65,616

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Solution

The fourth proportional to 240,720, 361,080 and 65,616 is: 98,424

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,720 : 361,080 = 65,616 : x
  2. Step 2: Convert to fraction form
    240,720/361,080 = 65,616/x
  3. Step 3: Cross multiply
    240,720x = 361,080 × 65,616
  4. Step 4: Simplify right side
    240,720x = 23,692,625,280
  5. Step 5: Solve for x
    x = 23,692,625,280/240,720
  6. Step 6: Final answer
    x = 98,424

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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.