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Finding the Fourth Proportional to 241,447.79, 333,046.37 and 155,518.13

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Solution

The fourth proportional to 241,447.79, 333,046.37 and 155,518.13 is: 214,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,447.79 : 333,046.37 = 155,518.13 : x
  2. Step 2: Convert to fraction form
    241,447.79/333,046.37 = 155,518.13/x
  3. Step 3: Cross multiply
    241,447.79x = 333,046.37 × 155,518.13
  4. Step 4: Simplify right side
    241,447.79x = 51,794,746,222.87
  5. Step 5: Solve for x
    x = 51,794,746,222.87/241,447.79
  6. Step 6: Final answer
    x = 214,517.38

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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.