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Finding the Fourth Proportional to 379,644.51, 569,251.09 and 154,741.53

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Solution

The fourth proportional to 379,644.51, 569,251.09 and 154,741.53 is: 232,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,644.51 : 569,251.09 = 154,741.53 : x
  2. Step 2: Convert to fraction form
    379,644.51/569,251.09 = 154,741.53/x
  3. Step 3: Cross multiply
    379,644.51x = 569,251.09 × 154,741.53
  4. Step 4: Simplify right side
    379,644.51x = 88,086,784,620.77
  5. Step 5: Solve for x
    x = 88,086,784,620.77/379,644.51
  6. Step 6: Final answer
    x = 232,024.39

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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.