Home / 331,611.30-497,453.40-121,294.80

Finding the Fourth Proportional to 331,611.30, 497,453.40 and 121,294.80

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Solution

The fourth proportional to 331,611.30, 497,453.40 and 121,294.80 is: 181,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,611.30 : 497,453.40 = 121,294.80 : x
  2. Step 2: Convert to fraction form
    331,611.30/497,453.40 = 121,294.80/x
  3. Step 3: Cross multiply
    331,611.30x = 497,453.40 × 121,294.80
  4. Step 4: Simplify right side
    331,611.30x = 60,338,510,662.32
  5. Step 5: Solve for x
    x = 60,338,510,662.32/331,611.30
  6. Step 6: Final answer
    x = 181,955.53

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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.