Home / 257,579.39-355,150.65-166,902.26

Finding the Fourth Proportional to 257,579.39, 355,150.65 and 166,902.26

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Solution

The fourth proportional to 257,579.39, 355,150.65 and 166,902.26 is: 230,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,579.39 : 355,150.65 = 166,902.26 : x
  2. Step 2: Convert to fraction form
    257,579.39/355,150.65 = 166,902.26/x
  3. Step 3: Cross multiply
    257,579.39x = 355,150.65 × 166,902.26
  4. Step 4: Simplify right side
    257,579.39x = 59,275,446,125.47
  5. Step 5: Solve for x
    x = 59,275,446,125.47/257,579.39
  6. Step 6: Final answer
    x = 230,124.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.