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Finding the Fourth Proportional to 317,744.01, 476,619.89 and 93,109.01

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Solution

The fourth proportional to 317,744.01, 476,619.89 and 93,109.01 is: 139,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,744.01 : 476,619.89 = 93,109.01 : x
  2. Step 2: Convert to fraction form
    317,744.01/476,619.89 = 93,109.01/x
  3. Step 3: Cross multiply
    317,744.01x = 476,619.89 × 93,109.01
  4. Step 4: Simplify right side
    317,744.01x = 44,377,603,255.56
  5. Step 5: Solve for x
    x = 44,377,603,255.56/317,744.01
  6. Step 6: Final answer
    x = 139,664.64

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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.