Home / 208,671.02-312,796.23-82,262.35

Finding the Fourth Proportional to 208,671.02, 312,796.23 and 82,262.35

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Solution

The fourth proportional to 208,671.02, 312,796.23 and 82,262.35 is: 123,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,671.02 : 312,796.23 = 82,262.35 : x
  2. Step 2: Convert to fraction form
    208,671.02/312,796.23 = 82,262.35/x
  3. Step 3: Cross multiply
    208,671.02x = 312,796.23 × 82,262.35
  4. Step 4: Simplify right side
    208,671.02x = 25,731,352,950.94
  5. Step 5: Solve for x
    x = 25,731,352,950.94/208,671.02
  6. Step 6: Final answer
    x = 123,310.62

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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.