Home / 257,132.42-384,134.96-166,436.31

Finding the Fourth Proportional to 257,132.42, 384,134.96 and 166,436.31

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Solution

The fourth proportional to 257,132.42, 384,134.96 and 166,436.31 is: 248,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,132.42 : 384,134.96 = 166,436.31 : x
  2. Step 2: Convert to fraction form
    257,132.42/384,134.96 = 166,436.31/x
  3. Step 3: Cross multiply
    257,132.42x = 384,134.96 × 166,436.31
  4. Step 4: Simplify right side
    257,132.42x = 63,934,005,388.42
  5. Step 5: Solve for x
    x = 63,934,005,388.42/257,132.42
  6. Step 6: Final answer
    x = 248,642.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.