Home / 312,863.02-469,382.01-102,648.58

Finding the Fourth Proportional to 312,863.02, 469,382.01 and 102,648.58

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Solution

The fourth proportional to 312,863.02, 469,382.01 and 102,648.58 is: 154,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,863.02 : 469,382.01 = 102,648.58 : x
  2. Step 2: Convert to fraction form
    312,863.02/469,382.01 = 102,648.58/x
  3. Step 3: Cross multiply
    312,863.02x = 469,382.01 × 102,648.58
  4. Step 4: Simplify right side
    312,863.02x = 48,181,396,804.05
  5. Step 5: Solve for x
    x = 48,181,396,804.05/312,863.02
  6. Step 6: Final answer
    x = 154,001.57

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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.