Home / 645,133.92-967,714.20-234,789.24

Finding the Fourth Proportional to 645,133.92, 967,714.20 and 234,789.24

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Solution

The fourth proportional to 645,133.92, 967,714.20 and 234,789.24 is: 352,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,133.92 : 967,714.20 = 234,789.24 : x
  2. Step 2: Convert to fraction form
    645,133.92/967,714.20 = 234,789.24/x
  3. Step 3: Cross multiply
    645,133.92x = 967,714.20 × 234,789.24
  4. Step 4: Simplify right side
    645,133.92x = 227,208,881,555.21
  5. Step 5: Solve for x
    x = 227,208,881,555.21/645,133.92
  6. Step 6: Final answer
    x = 352,188.71

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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.