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Finding the Fourth Proportional to 232,579, 348,871.74 and 66,367

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Solution

The fourth proportional to 232,579, 348,871.74 and 66,367 is: 99,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,579 : 348,871.74 = 66,367 : x
  2. Step 2: Convert to fraction form
    232,579/348,871.74 = 66,367/x
  3. Step 3: Cross multiply
    232,579x = 348,871.74 × 66,367
  4. Step 4: Simplify right side
    232,579x = 23,153,570,768.58
  5. Step 5: Solve for x
    x = 23,153,570,768.58/232,579
  6. Step 6: Final answer
    x = 99,551.42

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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.