Home / 419,067.16-578,312.68-228,081.91

Finding the Fourth Proportional to 419,067.16, 578,312.68 and 228,081.91

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Solution

The fourth proportional to 419,067.16, 578,312.68 and 228,081.91 is: 314,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,067.16 : 578,312.68 = 228,081.91 : x
  2. Step 2: Convert to fraction form
    419,067.16/578,312.68 = 228,081.91/x
  3. Step 3: Cross multiply
    419,067.16x = 578,312.68 × 228,081.91
  4. Step 4: Simplify right side
    419,067.16x = 131,902,660,631.62
  5. Step 5: Solve for x
    x = 131,902,660,631.62/419,067.16
  6. Step 6: Final answer
    x = 314,753.04

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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.