Home / 257,326.16-386,099.40-107,601.44

Finding the Fourth Proportional to 257,326.16, 386,099.40 and 107,601.44

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Solution

The fourth proportional to 257,326.16, 386,099.40 and 107,601.44 is: 161,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,326.16 : 386,099.40 = 107,601.44 : x
  2. Step 2: Convert to fraction form
    257,326.16/386,099.40 = 107,601.44/x
  3. Step 3: Cross multiply
    257,326.16x = 386,099.40 × 107,601.44
  4. Step 4: Simplify right side
    257,326.16x = 41,544,851,423.14
  5. Step 5: Solve for x
    x = 41,544,851,423.14/257,326.16
  6. Step 6: Final answer
    x = 161,448.22

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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.