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Finding the Fourth Proportional to 379,359.59, 523,510.10 and 207,273.87

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Solution

The fourth proportional to 379,359.59, 523,510.10 and 207,273.87 is: 286,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,359.59 : 523,510.10 = 207,273.87 : x
  2. Step 2: Convert to fraction form
    379,359.59/523,510.10 = 207,273.87/x
  3. Step 3: Cross multiply
    379,359.59x = 523,510.10 × 207,273.87
  4. Step 4: Simplify right side
    379,359.59x = 108,509,964,411.09
  5. Step 5: Solve for x
    x = 108,509,964,411.09/379,359.59
  6. Step 6: Final answer
    x = 286,034.59

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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.