Home / 238,918.02-329,569.74-149,338.50

Finding the Fourth Proportional to 238,918.02, 329,569.74 and 149,338.50

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Solution

The fourth proportional to 238,918.02, 329,569.74 and 149,338.50 is: 206,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,918.02 : 329,569.74 = 149,338.50 : x
  2. Step 2: Convert to fraction form
    238,918.02/329,569.74 = 149,338.50/x
  3. Step 3: Cross multiply
    238,918.02x = 329,569.74 × 149,338.50
  4. Step 4: Simplify right side
    238,918.02x = 49,217,450,616.99
  5. Step 5: Solve for x
    x = 49,217,450,616.99/238,918.02
  6. Step 6: Final answer
    x = 206,001.42

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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.