Home / 379,127.43-523,194.93-217,974.69

Finding the Fourth Proportional to 379,127.43, 523,194.93 and 217,974.69

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Solution

The fourth proportional to 379,127.43, 523,194.93 and 217,974.69 is: 300,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,127.43 : 523,194.93 = 217,974.69 : x
  2. Step 2: Convert to fraction form
    379,127.43/523,194.93 = 217,974.69/x
  3. Step 3: Cross multiply
    379,127.43x = 523,194.93 × 217,974.69
  4. Step 4: Simplify right side
    379,127.43x = 114,043,252,676.32
  5. Step 5: Solve for x
    x = 114,043,252,676.32/379,127.43
  6. Step 6: Final answer
    x = 300,804.54

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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.