Home / 265,983.10-398,974.60-114,147.24

Finding the Fourth Proportional to 265,983.10, 398,974.60 and 114,147.24

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Solution

The fourth proportional to 265,983.10, 398,974.60 and 114,147.24 is: 171,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,983.10 : 398,974.60 = 114,147.24 : x
  2. Step 2: Convert to fraction form
    265,983.10/398,974.60 = 114,147.24/x
  3. Step 3: Cross multiply
    265,983.10x = 398,974.60 × 114,147.24
  4. Step 4: Simplify right side
    265,983.10x = 45,541,849,420.10
  5. Step 5: Solve for x
    x = 45,541,849,420.10/265,983.10
  6. Step 6: Final answer
    x = 171,220.84

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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.