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Finding the Fourth Proportional to 348,226.98, 522,340.56 and 229,870.56

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Solution

The fourth proportional to 348,226.98, 522,340.56 and 229,870.56 is: 344,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,226.98 : 522,340.56 = 229,870.56 : x
  2. Step 2: Convert to fraction form
    348,226.98/522,340.56 = 229,870.56/x
  3. Step 3: Cross multiply
    348,226.98x = 522,340.56 × 229,870.56
  4. Step 4: Simplify right side
    348,226.98x = 120,070,717,037.91
  5. Step 5: Solve for x
    x = 120,070,717,037.91/348,226.98
  6. Step 6: Final answer
    x = 344,805.90

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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.