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Finding the Fourth Proportional to 236,792, 326,772.96 and 130,808

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Solution

The fourth proportional to 236,792, 326,772.96 and 130,808 is: 180,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,792 : 326,772.96 = 130,808 : x
  2. Step 2: Convert to fraction form
    236,792/326,772.96 = 130,808/x
  3. Step 3: Cross multiply
    236,792x = 326,772.96 × 130,808
  4. Step 4: Simplify right side
    236,792x = 42,744,517,351.68
  5. Step 5: Solve for x
    x = 42,744,517,351.68/236,792
  6. Step 6: Final answer
    x = 180,515.04

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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.