Home / 377,997.04-521,616.72-208,227.52

Finding the Fourth Proportional to 377,997.04, 521,616.72 and 208,227.52

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Solution

The fourth proportional to 377,997.04, 521,616.72 and 208,227.52 is: 287,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,997.04 : 521,616.72 = 208,227.52 : x
  2. Step 2: Convert to fraction form
    377,997.04/521,616.72 = 208,227.52/x
  3. Step 3: Cross multiply
    377,997.04x = 521,616.72 × 208,227.52
  4. Step 4: Simplify right side
    377,997.04x = 108,614,955,996.13
  5. Step 5: Solve for x
    x = 108,614,955,996.13/377,997.04
  6. Step 6: Final answer
    x = 287,343.40

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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.