Home / 379,166.86-523,253.84-215,815.39

Finding the Fourth Proportional to 379,166.86, 523,253.84 and 215,815.39

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Solution

The fourth proportional to 379,166.86, 523,253.84 and 215,815.39 is: 297,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,166.86 : 523,253.84 = 215,815.39 : x
  2. Step 2: Convert to fraction form
    379,166.86/523,253.84 = 215,815.39/x
  3. Step 3: Cross multiply
    379,166.86x = 523,253.84 × 215,815.39
  4. Step 4: Simplify right side
    379,166.86x = 112,926,228,932.33
  5. Step 5: Solve for x
    x = 112,926,228,932.33/379,166.86
  6. Step 6: Final answer
    x = 297,827.27

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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.