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Finding the Fourth Proportional to 154,579, 231,800.98 and 54,706

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Solution

The fourth proportional to 154,579, 231,800.98 and 54,706 is: 82,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,579 : 231,800.98 = 54,706 : x
  2. Step 2: Convert to fraction form
    154,579/231,800.98 = 54,706/x
  3. Step 3: Cross multiply
    154,579x = 231,800.98 × 54,706
  4. Step 4: Simplify right side
    154,579x = 12,680,904,411.88
  5. Step 5: Solve for x
    x = 12,680,904,411.88/154,579
  6. Step 6: Final answer
    x = 82,035.10

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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.