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Finding the Fourth Proportional to 240,446, 331,825.25 and 133,014.18

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Solution

The fourth proportional to 240,446, 331,825.25 and 133,014.18 is: 183,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,446 : 331,825.25 = 133,014.18 : x
  2. Step 2: Convert to fraction form
    240,446/331,825.25 = 133,014.18/x
  3. Step 3: Cross multiply
    240,446x = 331,825.25 × 133,014.18
  4. Step 4: Simplify right side
    240,446x = 44,137,463,532.05
  5. Step 5: Solve for x
    x = 44,137,463,532.05/240,446
  6. Step 6: Final answer
    x = 183,564.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.