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Finding the Fourth Proportional to 379,525, 569,343.10 and 154,899.08

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Solution

The fourth proportional to 379,525, 569,343.10 and 154,899.08 is: 232,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,525 : 569,343.10 = 154,899.08 : x
  2. Step 2: Convert to fraction form
    379,525/569,343.10 = 154,899.08/x
  3. Step 3: Cross multiply
    379,525x = 569,343.10 × 154,899.08
  4. Step 4: Simplify right side
    379,525x = 88,190,722,394.35
  5. Step 5: Solve for x
    x = 88,190,722,394.35/379,525
  6. Step 6: Final answer
    x = 232,371.31

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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.