Home / 377,887.83-521,461.28-208,121.95

Finding the Fourth Proportional to 377,887.83, 521,461.28 and 208,121.95

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Solution

The fourth proportional to 377,887.83, 521,461.28 and 208,121.95 is: 287,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,887.83 : 521,461.28 = 208,121.95 : x
  2. Step 2: Convert to fraction form
    377,887.83/521,461.28 = 208,121.95/x
  3. Step 3: Cross multiply
    377,887.83x = 521,461.28 × 208,121.95
  4. Step 4: Simplify right side
    377,887.83x = 108,527,538,444.54
  5. Step 5: Solve for x
    x = 108,527,538,444.54/377,887.83
  6. Step 6: Final answer
    x = 287,195.12

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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.