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Finding the Fourth Proportional to 490,166.87, 735,250.90 and 153,209.25

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Solution

The fourth proportional to 490,166.87, 735,250.90 and 153,209.25 is: 229,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,166.87 : 735,250.90 = 153,209.25 : x
  2. Step 2: Convert to fraction form
    490,166.87/735,250.90 = 153,209.25/x
  3. Step 3: Cross multiply
    490,166.87x = 735,250.90 × 153,209.25
  4. Step 4: Simplify right side
    490,166.87x = 112,647,235,274.57
  5. Step 5: Solve for x
    x = 112,647,235,274.57/490,166.87
  6. Step 6: Final answer
    x = 229,814.06

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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.