Home / 348,979.86-523,730.34-259,229.82

Finding the Fourth Proportional to 348,979.86, 523,730.34 and 259,229.82

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Solution

The fourth proportional to 348,979.86, 523,730.34 and 259,229.82 is: 389,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,979.86 : 523,730.34 = 259,229.82 : x
  2. Step 2: Convert to fraction form
    348,979.86/523,730.34 = 259,229.82/x
  3. Step 3: Cross multiply
    348,979.86x = 523,730.34 × 259,229.82
  4. Step 4: Simplify right side
    348,979.86x = 135,766,521,766.74
  5. Step 5: Solve for x
    x = 135,766,521,766.74/348,979.86
  6. Step 6: Final answer
    x = 389,038.27

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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.