Home / 368,436.38-508,438.61-205,090.29

Finding the Fourth Proportional to 368,436.38, 508,438.61 and 205,090.29

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Solution

The fourth proportional to 368,436.38, 508,438.61 and 205,090.29 is: 283,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,436.38 : 508,438.61 = 205,090.29 : x
  2. Step 2: Convert to fraction form
    368,436.38/508,438.61 = 205,090.29/x
  3. Step 3: Cross multiply
    368,436.38x = 508,438.61 × 205,090.29
  4. Step 4: Simplify right side
    368,436.38x = 104,275,823,622.38
  5. Step 5: Solve for x
    x = 104,275,823,622.38/368,436.38
  6. Step 6: Final answer
    x = 283,022.60

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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.