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Finding the Fourth Proportional to 254,792, 351,634.84 and 141,636.62

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Solution

The fourth proportional to 254,792, 351,634.84 and 141,636.62 is: 195,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,792 : 351,634.84 = 141,636.62 : x
  2. Step 2: Convert to fraction form
    254,792/351,634.84 = 141,636.62/x
  3. Step 3: Cross multiply
    254,792x = 351,634.84 × 141,636.62
  4. Step 4: Simplify right side
    254,792x = 49,804,370,211.84
  5. Step 5: Solve for x
    x = 49,804,370,211.84/254,792
  6. Step 6: Final answer
    x = 195,470.70

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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.