Home / 379,007.10-523,074.51-217,868.94

Finding the Fourth Proportional to 379,007.10, 523,074.51 and 217,868.94

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Solution

The fourth proportional to 379,007.10, 523,074.51 and 217,868.94 is: 300,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,007.10 : 523,074.51 = 217,868.94 : x
  2. Step 2: Convert to fraction form
    379,007.10/523,074.51 = 217,868.94/x
  3. Step 3: Cross multiply
    379,007.10x = 523,074.51 × 217,868.94
  4. Step 4: Simplify right side
    379,007.10x = 113,961,689,034.72
  5. Step 5: Solve for x
    x = 113,961,689,034.72/379,007.10
  6. Step 6: Final answer
    x = 300,684.84

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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.