Home / 376,067.91-518,971.15-203,985.19

Finding the Fourth Proportional to 376,067.91, 518,971.15 and 203,985.19

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Solution

The fourth proportional to 376,067.91, 518,971.15 and 203,985.19 is: 281,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,067.91 : 518,971.15 = 203,985.19 : x
  2. Step 2: Convert to fraction form
    376,067.91/518,971.15 = 203,985.19/x
  3. Step 3: Cross multiply
    376,067.91x = 518,971.15 × 203,985.19
  4. Step 4: Simplify right side
    376,067.91x = 105,862,426,621.75
  5. Step 5: Solve for x
    x = 105,862,426,621.75/376,067.91
  6. Step 6: Final answer
    x = 281,498.16

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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.