Home / 402,197.96-555,039.84-220,926.64

Finding the Fourth Proportional to 402,197.96, 555,039.84 and 220,926.64

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Solution

The fourth proportional to 402,197.96, 555,039.84 and 220,926.64 is: 304,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,197.96 : 555,039.84 = 220,926.64 : x
  2. Step 2: Convert to fraction form
    402,197.96/555,039.84 = 220,926.64/x
  3. Step 3: Cross multiply
    402,197.96x = 555,039.84 × 220,926.64
  4. Step 4: Simplify right side
    402,197.96x = 122,623,086,917.34
  5. Step 5: Solve for x
    x = 122,623,086,917.34/402,197.96
  6. Step 6: Final answer
    x = 304,882.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.