Home / 321,036.90-482,592.15-228,185.70

Finding the Fourth Proportional to 321,036.90, 482,592.15 and 228,185.70

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Solution

The fourth proportional to 321,036.90, 482,592.15 and 228,185.70 is: 343,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,036.90 : 482,592.15 = 228,185.70 : x
  2. Step 2: Convert to fraction form
    321,036.90/482,592.15 = 228,185.70/x
  3. Step 3: Cross multiply
    321,036.90x = 482,592.15 × 228,185.70
  4. Step 4: Simplify right side
    321,036.90x = 110,120,627,562.26
  5. Step 5: Solve for x
    x = 110,120,627,562.26/321,036.90
  6. Step 6: Final answer
    x = 343,015.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.