Home / 411,748.12-617,535.78-116,191

Finding the Fourth Proportional to 411,748.12, 617,535.78 and 116,191

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Solution

The fourth proportional to 411,748.12, 617,535.78 and 116,191 is: 174,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,748.12 : 617,535.78 = 116,191 : x
  2. Step 2: Convert to fraction form
    411,748.12/617,535.78 = 116,191/x
  3. Step 3: Cross multiply
    411,748.12x = 617,535.78 × 116,191
  4. Step 4: Simplify right side
    411,748.12x = 71,752,099,813.98
  5. Step 5: Solve for x
    x = 71,752,099,813.98/411,748.12
  6. Step 6: Final answer
    x = 174,262.12

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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.