Home / 324,944.93-487,209.75-156,129.32

Finding the Fourth Proportional to 324,944.93, 487,209.75 and 156,129.32

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Solution

The fourth proportional to 324,944.93, 487,209.75 and 156,129.32 is: 234,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,944.93 : 487,209.75 = 156,129.32 : x
  2. Step 2: Convert to fraction form
    324,944.93/487,209.75 = 156,129.32/x
  3. Step 3: Cross multiply
    324,944.93x = 487,209.75 × 156,129.32
  4. Step 4: Simplify right side
    324,944.93x = 76,067,726,964.87
  5. Step 5: Solve for x
    x = 76,067,726,964.87/324,944.93
  6. Step 6: Final answer
    x = 234,094.21

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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.