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Finding the Fourth Proportional to 348,188.76, 522,295.52 and 111,500.69

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Solution

The fourth proportional to 348,188.76, 522,295.52 and 111,500.69 is: 167,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,188.76 : 522,295.52 = 111,500.69 : x
  2. Step 2: Convert to fraction form
    348,188.76/522,295.52 = 111,500.69/x
  3. Step 3: Cross multiply
    348,188.76x = 522,295.52 × 111,500.69
  4. Step 4: Simplify right side
    348,188.76x = 58,236,307,694.93
  5. Step 5: Solve for x
    x = 58,236,307,694.93/348,188.76
  6. Step 6: Final answer
    x = 167,254.99

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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.