Home / 257,322.16-386,093.40-107,597.44

Finding the Fourth Proportional to 257,322.16, 386,093.40 and 107,597.44

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Solution

The fourth proportional to 257,322.16, 386,093.40 and 107,597.44 is: 161,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,322.16 : 386,093.40 = 107,597.44 : x
  2. Step 2: Convert to fraction form
    257,322.16/386,093.40 = 107,597.44/x
  3. Step 3: Cross multiply
    257,322.16x = 386,093.40 × 107,597.44
  4. Step 4: Simplify right side
    257,322.16x = 41,542,661,440.90
  5. Step 5: Solve for x
    x = 41,542,661,440.90/257,322.16
  6. Step 6: Final answer
    x = 161,442.22

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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.