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Finding the Fourth Proportional to 377,541.30, 521,007.06 and 207,775.44

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Solution

The fourth proportional to 377,541.30, 521,007.06 and 207,775.44 is: 286,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,541.30 : 521,007.06 = 207,775.44 : x
  2. Step 2: Convert to fraction form
    377,541.30/521,007.06 = 207,775.44/x
  3. Step 3: Cross multiply
    377,541.30x = 521,007.06 × 207,775.44
  4. Step 4: Simplify right side
    377,541.30x = 108,252,471,134.61
  5. Step 5: Solve for x
    x = 108,252,471,134.61/377,541.30
  6. Step 6: Final answer
    x = 286,730.14

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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.