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Finding the Fourth Proportional to 376,068.06, 518,974.03 and 206,302.19

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Solution

The fourth proportional to 376,068.06, 518,974.03 and 206,302.19 is: 284,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,068.06 : 518,974.03 = 206,302.19 : x
  2. Step 2: Convert to fraction form
    376,068.06/518,974.03 = 206,302.19/x
  3. Step 3: Cross multiply
    376,068.06x = 518,974.03 × 206,302.19
  4. Step 4: Simplify right side
    376,068.06x = 107,065,477,128.94
  5. Step 5: Solve for x
    x = 107,065,477,128.94/376,068.06
  6. Step 6: Final answer
    x = 284,697.07

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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.