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Finding the Fourth Proportional to 369,940.97, 554,930.59 and 117,248.31

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Solution

The fourth proportional to 369,940.97, 554,930.59 and 117,248.31 is: 175,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,940.97 : 554,930.59 = 117,248.31 : x
  2. Step 2: Convert to fraction form
    369,940.97/554,930.59 = 117,248.31/x
  3. Step 3: Cross multiply
    369,940.97x = 554,930.59 × 117,248.31
  4. Step 4: Simplify right side
    369,940.97x = 65,064,673,844.80
  5. Step 5: Solve for x
    x = 65,064,673,844.80/369,940.97
  6. Step 6: Final answer
    x = 175,878.53

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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.