Home / 379,923.89-524,299.10-207,838.15

Finding the Fourth Proportional to 379,923.89, 524,299.10 and 207,838.15

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Solution

The fourth proportional to 379,923.89, 524,299.10 and 207,838.15 is: 286,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,923.89 : 524,299.10 = 207,838.15 : x
  2. Step 2: Convert to fraction form
    379,923.89/524,299.10 = 207,838.15/x
  3. Step 3: Cross multiply
    379,923.89x = 524,299.10 × 207,838.15
  4. Step 4: Simplify right side
    379,923.89x = 108,969,352,640.73
  5. Step 5: Solve for x
    x = 108,969,352,640.73/379,923.89
  6. Step 6: Final answer
    x = 286,818.90

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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.