Home / 257,944.32-386,965.92-89,458.08

Finding the Fourth Proportional to 257,944.32, 386,965.92 and 89,458.08

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Solution

The fourth proportional to 257,944.32, 386,965.92 and 89,458.08 is: 134,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,944.32 : 386,965.92 = 89,458.08 : x
  2. Step 2: Convert to fraction form
    257,944.32/386,965.92 = 89,458.08/x
  3. Step 3: Cross multiply
    257,944.32x = 386,965.92 × 89,458.08
  4. Step 4: Simplify right side
    257,944.32x = 34,617,228,228.63
  5. Step 5: Solve for x
    x = 34,617,228,228.63/257,944.32
  6. Step 6: Final answer
    x = 134,204.27

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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.