Home / 376,177.84-519,136.32-206,422.72

Finding the Fourth Proportional to 376,177.84, 519,136.32 and 206,422.72

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Solution

The fourth proportional to 376,177.84, 519,136.32 and 206,422.72 is: 284,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,177.84 : 519,136.32 = 206,422.72 : x
  2. Step 2: Convert to fraction form
    376,177.84/519,136.32 = 206,422.72/x
  3. Step 3: Cross multiply
    376,177.84x = 519,136.32 × 206,422.72
  4. Step 4: Simplify right side
    376,177.84x = 107,161,531,225.19
  5. Step 5: Solve for x
    x = 107,161,531,225.19/376,177.84
  6. Step 6: Final answer
    x = 284,869.34

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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.