Home / 426,864.22-640,321.37-160,627.03

Finding the Fourth Proportional to 426,864.22, 640,321.37 and 160,627.03

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Solution

The fourth proportional to 426,864.22, 640,321.37 and 160,627.03 is: 240,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,864.22 : 640,321.37 = 160,627.03 : x
  2. Step 2: Convert to fraction form
    426,864.22/640,321.37 = 160,627.03/x
  3. Step 3: Cross multiply
    426,864.22x = 640,321.37 × 160,627.03
  4. Step 4: Simplify right side
    426,864.22x = 102,852,919,908.63
  5. Step 5: Solve for x
    x = 102,852,919,908.63/426,864.22
  6. Step 6: Final answer
    x = 240,949.97

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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.