Home / 456,273.25-684,181.46-140,689.15

Finding the Fourth Proportional to 456,273.25, 684,181.46 and 140,689.15

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Solution

The fourth proportional to 456,273.25, 684,181.46 and 140,689.15 is: 210,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,273.25 : 684,181.46 = 140,689.15 : x
  2. Step 2: Convert to fraction form
    456,273.25/684,181.46 = 140,689.15/x
  3. Step 3: Cross multiply
    456,273.25x = 684,181.46 × 140,689.15
  4. Step 4: Simplify right side
    456,273.25x = 96,256,910,147.26
  5. Step 5: Solve for x
    x = 96,256,910,147.26/456,273.25
  6. Step 6: Final answer
    x = 210,963.30

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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.