Home / 419,071.98-578,317.68-228,086.94

Finding the Fourth Proportional to 419,071.98, 578,317.68 and 228,086.94

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Solution

The fourth proportional to 419,071.98, 578,317.68 and 228,086.94 is: 314,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,071.98 : 578,317.68 = 228,086.94 : x
  2. Step 2: Convert to fraction form
    419,071.98/578,317.68 = 228,086.94/x
  3. Step 3: Cross multiply
    419,071.98x = 578,317.68 × 228,086.94
  4. Step 4: Simplify right side
    419,071.98x = 131,906,709,979.10
  5. Step 5: Solve for x
    x = 131,906,709,979.10/419,071.98
  6. Step 6: Final answer
    x = 314,759.08

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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.