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Finding the Fourth Proportional to 348,112, 522,217.83 and 132,050.17

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Solution

The fourth proportional to 348,112, 522,217.83 and 132,050.17 is: 198,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,112 : 522,217.83 = 132,050.17 : x
  2. Step 2: Convert to fraction form
    348,112/522,217.83 = 132,050.17/x
  3. Step 3: Cross multiply
    348,112x = 522,217.83 × 132,050.17
  4. Step 4: Simplify right side
    348,112x = 68,958,953,228.53
  5. Step 5: Solve for x
    x = 68,958,953,228.53/348,112
  6. Step 6: Final answer
    x = 198,094.16

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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.