Home / 257,338.62-385,872.93-107,551.26

Finding the Fourth Proportional to 257,338.62, 385,872.93 and 107,551.26

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Solution

The fourth proportional to 257,338.62, 385,872.93 and 107,551.26 is: 161,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,338.62 : 385,872.93 = 107,551.26 : x
  2. Step 2: Convert to fraction form
    257,338.62/385,872.93 = 107,551.26/x
  3. Step 3: Cross multiply
    257,338.62x = 385,872.93 × 107,551.26
  4. Step 4: Simplify right side
    257,338.62x = 41,501,119,821.39
  5. Step 5: Solve for x
    x = 41,501,119,821.39/257,338.62
  6. Step 6: Final answer
    x = 161,270.47

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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.