Home / 379,165.08-523,251.39-215,813.61

Finding the Fourth Proportional to 379,165.08, 523,251.39 and 215,813.61

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Solution

The fourth proportional to 379,165.08, 523,251.39 and 215,813.61 is: 297,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,165.08 : 523,251.39 = 215,813.61 : x
  2. Step 2: Convert to fraction form
    379,165.08/523,251.39 = 215,813.61/x
  3. Step 3: Cross multiply
    379,165.08x = 523,251.39 × 215,813.61
  4. Step 4: Simplify right side
    379,165.08x = 112,924,771,413.42
  5. Step 5: Solve for x
    x = 112,924,771,413.42/379,165.08
  6. Step 6: Final answer
    x = 297,824.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.