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Finding the Fourth Proportional to 250,792.27, 375,546.11 and 138,347.51

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Solution

The fourth proportional to 250,792.27, 375,546.11 and 138,347.51 is: 207,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,792.27 : 375,546.11 = 138,347.51 : x
  2. Step 2: Convert to fraction form
    250,792.27/375,546.11 = 138,347.51/x
  3. Step 3: Cross multiply
    250,792.27x = 375,546.11 × 138,347.51
  4. Step 4: Simplify right side
    250,792.27x = 51,955,866,639.22
  5. Step 5: Solve for x
    x = 51,955,866,639.22/250,792.27
  6. Step 6: Final answer
    x = 207,166.94

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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.