Home / 376,637.26-519,849.94-215,585.68

Finding the Fourth Proportional to 376,637.26, 519,849.94 and 215,585.68

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Solution

The fourth proportional to 376,637.26, 519,849.94 and 215,585.68 is: 297,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,637.26 : 519,849.94 = 215,585.68 : x
  2. Step 2: Convert to fraction form
    376,637.26/519,849.94 = 215,585.68/x
  3. Step 3: Cross multiply
    376,637.26x = 519,849.94 × 215,585.68
  4. Step 4: Simplify right side
    376,637.26x = 112,072,202,812.86
  5. Step 5: Solve for x
    x = 112,072,202,812.86/376,637.26
  6. Step 6: Final answer
    x = 297,560.05

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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.