Home / 257,204.24-385,806.41-107,362.79

Finding the Fourth Proportional to 257,204.24, 385,806.41 and 107,362.79

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Solution

The fourth proportional to 257,204.24, 385,806.41 and 107,362.79 is: 161,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,204.24 : 385,806.41 = 107,362.79 : x
  2. Step 2: Convert to fraction form
    257,204.24/385,806.41 = 107,362.79/x
  3. Step 3: Cross multiply
    257,204.24x = 385,806.41 × 107,362.79
  4. Step 4: Simplify right side
    257,204.24x = 41,421,252,577.48
  5. Step 5: Solve for x
    x = 41,421,252,577.48/257,204.24
  6. Step 6: Final answer
    x = 161,044.21

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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.