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Finding the Fourth Proportional to 490,007.68, 735,104.46 and 170,147.09

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Solution

The fourth proportional to 490,007.68, 735,104.46 and 170,147.09 is: 255,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,007.68 : 735,104.46 = 170,147.09 : x
  2. Step 2: Convert to fraction form
    490,007.68/735,104.46 = 170,147.09/x
  3. Step 3: Cross multiply
    490,007.68x = 735,104.46 × 170,147.09
  4. Step 4: Simplify right side
    490,007.68x = 125,075,884,715.02
  5. Step 5: Solve for x
    x = 125,075,884,715.02/490,007.68
  6. Step 6: Final answer
    x = 255,252.91

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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.