Home / 268,735.40-371,007.82-178,213.58

Finding the Fourth Proportional to 268,735.40, 371,007.82 and 178,213.58

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Solution

The fourth proportional to 268,735.40, 371,007.82 and 178,213.58 is: 246,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,735.40 : 371,007.82 = 178,213.58 : x
  2. Step 2: Convert to fraction form
    268,735.40/371,007.82 = 178,213.58/x
  3. Step 3: Cross multiply
    268,735.40x = 371,007.82 × 178,213.58
  4. Step 4: Simplify right side
    268,735.40x = 66,118,631,810.20
  5. Step 5: Solve for x
    x = 66,118,631,810.20/268,735.40
  6. Step 6: Final answer
    x = 246,036.18

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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.