Home / 274,665.08-379,048.61-153,805.30

Finding the Fourth Proportional to 274,665.08, 379,048.61 and 153,805.30

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Solution

The fourth proportional to 274,665.08, 379,048.61 and 153,805.30 is: 212,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,665.08 : 379,048.61 = 153,805.30 : x
  2. Step 2: Convert to fraction form
    274,665.08/379,048.61 = 153,805.30/x
  3. Step 3: Cross multiply
    274,665.08x = 379,048.61 × 153,805.30
  4. Step 4: Simplify right side
    274,665.08x = 58,299,685,175.63
  5. Step 5: Solve for x
    x = 58,299,685,175.63/274,665.08
  6. Step 6: Final answer
    x = 212,257.36

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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.