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Finding the Fourth Proportional to 348,065.91, 522,099.32 and 95,348.64

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Solution

The fourth proportional to 348,065.91, 522,099.32 and 95,348.64 is: 143,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,065.91 : 522,099.32 = 95,348.64 : x
  2. Step 2: Convert to fraction form
    348,065.91/522,099.32 = 95,348.64/x
  3. Step 3: Cross multiply
    348,065.91x = 522,099.32 × 95,348.64
  4. Step 4: Simplify right side
    348,065.91x = 49,781,462,124.39
  5. Step 5: Solve for x
    x = 49,781,462,124.39/348,065.91
  6. Step 6: Final answer
    x = 143,023.09

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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.