Home / 376,446.08-519,581.32-215,389.93

Finding the Fourth Proportional to 376,446.08, 519,581.32 and 215,389.93

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Solution

The fourth proportional to 376,446.08, 519,581.32 and 215,389.93 is: 297,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,446.08 : 519,581.32 = 215,389.93 : x
  2. Step 2: Convert to fraction form
    376,446.08/519,581.32 = 215,389.93/x
  3. Step 3: Cross multiply
    376,446.08x = 519,581.32 × 215,389.93
  4. Step 4: Simplify right side
    376,446.08x = 111,912,583,067.16
  5. Step 5: Solve for x
    x = 111,912,583,067.16/376,446.08
  6. Step 6: Final answer
    x = 297,287.16

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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.