Home / 324,260.28-487,128.54-234,579.61

Finding the Fourth Proportional to 324,260.28, 487,128.54 and 234,579.61

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Solution

The fourth proportional to 324,260.28, 487,128.54 and 234,579.61 is: 352,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,260.28 : 487,128.54 = 234,579.61 : x
  2. Step 2: Convert to fraction form
    324,260.28/487,128.54 = 234,579.61/x
  3. Step 3: Cross multiply
    324,260.28x = 487,128.54 × 234,579.61
  4. Step 4: Simplify right side
    324,260.28x = 114,270,421,760.17
  5. Step 5: Solve for x
    x = 114,270,421,760.17/324,260.28
  6. Step 6: Final answer
    x = 352,403.39

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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.