Home / 419,298.04-578,634.06-228,310.48

Finding the Fourth Proportional to 419,298.04, 578,634.06 and 228,310.48

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Solution

The fourth proportional to 419,298.04, 578,634.06 and 228,310.48 is: 315,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,298.04 : 578,634.06 = 228,310.48 : x
  2. Step 2: Convert to fraction form
    419,298.04/578,634.06 = 228,310.48/x
  3. Step 3: Cross multiply
    419,298.04x = 578,634.06 × 228,310.48
  4. Step 4: Simplify right side
    419,298.04x = 132,108,219,982.95
  5. Step 5: Solve for x
    x = 132,108,219,982.95/419,298.04
  6. Step 6: Final answer
    x = 315,069.97

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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.