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Finding the Fourth Proportional to 261,958.51, 361,345.22 and 159,937.39

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Solution

The fourth proportional to 261,958.51, 361,345.22 and 159,937.39 is: 220,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,958.51 : 361,345.22 = 159,937.39 : x
  2. Step 2: Convert to fraction form
    261,958.51/361,345.22 = 159,937.39/x
  3. Step 3: Cross multiply
    261,958.51x = 361,345.22 × 159,937.39
  4. Step 4: Simplify right side
    261,958.51x = 57,792,610,576.09
  5. Step 5: Solve for x
    x = 57,792,610,576.09/261,958.51
  6. Step 6: Final answer
    x = 220,617.42

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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.