Home / 265,811.04-398,617.20-107,986.32

Finding the Fourth Proportional to 265,811.04, 398,617.20 and 107,986.32

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Solution

The fourth proportional to 265,811.04, 398,617.20 and 107,986.32 is: 161,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,811.04 : 398,617.20 = 107,986.32 : x
  2. Step 2: Convert to fraction form
    265,811.04/398,617.20 = 107,986.32/x
  3. Step 3: Cross multiply
    265,811.04x = 398,617.20 × 107,986.32
  4. Step 4: Simplify right side
    265,811.04x = 43,045,204,516.70
  5. Step 5: Solve for x
    x = 43,045,204,516.70/265,811.04
  6. Step 6: Final answer
    x = 161,939.11

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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.