Home / 389,053.82-537,028.22-227,961.02

Finding the Fourth Proportional to 389,053.82, 537,028.22 and 227,961.02

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Solution

The fourth proportional to 389,053.82, 537,028.22 and 227,961.02 is: 314,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,053.82 : 537,028.22 = 227,961.02 : x
  2. Step 2: Convert to fraction form
    389,053.82/537,028.22 = 227,961.02/x
  3. Step 3: Cross multiply
    389,053.82x = 537,028.22 × 227,961.02
  4. Step 4: Simplify right side
    389,053.82x = 122,421,500,799.98
  5. Step 5: Solve for x
    x = 122,421,500,799.98/389,053.82
  6. Step 6: Final answer
    x = 314,664.69

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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.