Home / 389,110.16-536,969.34-227,930.66

Finding the Fourth Proportional to 389,110.16, 536,969.34 and 227,930.66

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Solution

The fourth proportional to 389,110.16, 536,969.34 and 227,930.66 is: 314,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.16 : 536,969.34 = 227,930.66 : x
  2. Step 2: Convert to fraction form
    389,110.16/536,969.34 = 227,930.66/x
  3. Step 3: Cross multiply
    389,110.16x = 536,969.34 × 227,930.66
  4. Step 4: Simplify right side
    389,110.16x = 122,391,776,065.96
  5. Step 5: Solve for x
    x = 122,391,776,065.96/389,110.16
  6. Step 6: Final answer
    x = 314,542.74

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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.