Home / 401,770.18-554,447.03-220,493.85

Finding the Fourth Proportional to 401,770.18, 554,447.03 and 220,493.85

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Solution

The fourth proportional to 401,770.18, 554,447.03 and 220,493.85 is: 304,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,770.18 : 554,447.03 = 220,493.85 : x
  2. Step 2: Convert to fraction form
    401,770.18/554,447.03 = 220,493.85/x
  3. Step 3: Cross multiply
    401,770.18x = 554,447.03 × 220,493.85
  4. Step 4: Simplify right side
    401,770.18x = 122,252,157,084.12
  5. Step 5: Solve for x
    x = 122,252,157,084.12/401,770.18
  6. Step 6: Final answer
    x = 304,283.80

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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.