Home / 229,968.80-344,492.40-131,357.60

Finding the Fourth Proportional to 229,968.80, 344,492.40 and 131,357.60

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Solution

The fourth proportional to 229,968.80, 344,492.40 and 131,357.60 is: 196,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.80 : 344,492.40 = 131,357.60 : x
  2. Step 2: Convert to fraction form
    229,968.80/344,492.40 = 131,357.60/x
  3. Step 3: Cross multiply
    229,968.80x = 344,492.40 × 131,357.60
  4. Step 4: Simplify right side
    229,968.80x = 45,251,694,882.24
  5. Step 5: Solve for x
    x = 45,251,694,882.24/229,968.80
  6. Step 6: Final answer
    x = 196,773.19

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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.