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Finding the Fourth Proportional to 348,568.76, 522,790.23 and 92,403.02

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Solution

The fourth proportional to 348,568.76, 522,790.23 and 92,403.02 is: 138,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,568.76 : 522,790.23 = 92,403.02 : x
  2. Step 2: Convert to fraction form
    348,568.76/522,790.23 = 92,403.02/x
  3. Step 3: Cross multiply
    348,568.76x = 522,790.23 × 92,403.02
  4. Step 4: Simplify right side
    348,568.76x = 48,307,396,078.49
  5. Step 5: Solve for x
    x = 48,307,396,078.49/348,568.76
  6. Step 6: Final answer
    x = 138,587.85

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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.