Home / 339,849.84-509,741.76-103,194.60

Finding the Fourth Proportional to 339,849.84, 509,741.76 and 103,194.60

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Solution

The fourth proportional to 339,849.84, 509,741.76 and 103,194.60 is: 154,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,849.84 : 509,741.76 = 103,194.60 : x
  2. Step 2: Convert to fraction form
    339,849.84/509,741.76 = 103,194.60/x
  3. Step 3: Cross multiply
    339,849.84x = 509,741.76 × 103,194.60
  4. Step 4: Simplify right side
    339,849.84x = 52,602,597,026.50
  5. Step 5: Solve for x
    x = 52,602,597,026.50/339,849.84
  6. Step 6: Final answer
    x = 154,781.88

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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.