Home / 377,827.28-521,399.04-208,060

Finding the Fourth Proportional to 377,827.28, 521,399.04 and 208,060

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Solution

The fourth proportional to 377,827.28, 521,399.04 and 208,060 is: 287,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,827.28 : 521,399.04 = 208,060 : x
  2. Step 2: Convert to fraction form
    377,827.28/521,399.04 = 208,060/x
  3. Step 3: Cross multiply
    377,827.28x = 521,399.04 × 208,060
  4. Step 4: Simplify right side
    377,827.28x = 108,482,284,262.40
  5. Step 5: Solve for x
    x = 108,482,284,262.40/377,827.28
  6. Step 6: Final answer
    x = 287,121.36

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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.