Home / 411,839.44-617,770.09-131,356.69

Finding the Fourth Proportional to 411,839.44, 617,770.09 and 131,356.69

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Solution

The fourth proportional to 411,839.44, 617,770.09 and 131,356.69 is: 197,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,839.44 : 617,770.09 = 131,356.69 : x
  2. Step 2: Convert to fraction form
    411,839.44/617,770.09 = 131,356.69/x
  3. Step 3: Cross multiply
    411,839.44x = 617,770.09 × 131,356.69
  4. Step 4: Simplify right side
    411,839.44x = 81,148,232,823.17
  5. Step 5: Solve for x
    x = 81,148,232,823.17/411,839.44
  6. Step 6: Final answer
    x = 197,038.52

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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.