Home / 376,329.40-519,340.46-206,579

Finding the Fourth Proportional to 376,329.40, 519,340.46 and 206,579

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Solution

The fourth proportional to 376,329.40, 519,340.46 and 206,579 is: 285,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,329.40 : 519,340.46 = 206,579 : x
  2. Step 2: Convert to fraction form
    376,329.40/519,340.46 = 206,579/x
  3. Step 3: Cross multiply
    376,329.40x = 519,340.46 × 206,579
  4. Step 4: Simplify right side
    376,329.40x = 107,284,832,886.34
  5. Step 5: Solve for x
    x = 107,284,832,886.34/376,329.40
  6. Step 6: Final answer
    x = 285,082.25

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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.