Home / 220,859.83-331,341.64-71,094.50

Finding the Fourth Proportional to 220,859.83, 331,341.64 and 71,094.50

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Solution

The fourth proportional to 220,859.83, 331,341.64 and 71,094.50 is: 106,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,859.83 : 331,341.64 = 71,094.50 : x
  2. Step 2: Convert to fraction form
    220,859.83/331,341.64 = 71,094.50/x
  3. Step 3: Cross multiply
    220,859.83x = 331,341.64 × 71,094.50
  4. Step 4: Simplify right side
    220,859.83x = 23,556,567,467.05
  5. Step 5: Solve for x
    x = 23,556,567,467.05/220,859.83
  6. Step 6: Final answer
    x = 106,658.45

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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.