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Finding the Fourth Proportional to 377,273.08, 520,646.70 and 207,511.66

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Solution

The fourth proportional to 377,273.08, 520,646.70 and 207,511.66 is: 286,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,273.08 : 520,646.70 = 207,511.66 : x
  2. Step 2: Convert to fraction form
    377,273.08/520,646.70 = 207,511.66/x
  3. Step 3: Cross multiply
    377,273.08x = 520,646.70 × 207,511.66
  4. Step 4: Simplify right side
    377,273.08x = 108,040,260,990.52
  5. Step 5: Solve for x
    x = 108,040,260,990.52/377,273.08
  6. Step 6: Final answer
    x = 286,371.51

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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.