Home / 368,732.22-508,821.39-207,555.18

Finding the Fourth Proportional to 368,732.22, 508,821.39 and 207,555.18

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Solution

The fourth proportional to 368,732.22, 508,821.39 and 207,555.18 is: 286,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,732.22 : 508,821.39 = 207,555.18 : x
  2. Step 2: Convert to fraction form
    368,732.22/508,821.39 = 207,555.18/x
  3. Step 3: Cross multiply
    368,732.22x = 508,821.39 × 207,555.18
  4. Step 4: Simplify right side
    368,732.22x = 105,608,515,189.30
  5. Step 5: Solve for x
    x = 105,608,515,189.30/368,732.22
  6. Step 6: Final answer
    x = 286,409.78

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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.