Home / 490,148.68-734,821.26-174,425.80

Finding the Fourth Proportional to 490,148.68, 734,821.26 and 174,425.80

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Solution

The fourth proportional to 490,148.68, 734,821.26 and 174,425.80 is: 261,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,148.68 : 734,821.26 = 174,425.80 : x
  2. Step 2: Convert to fraction form
    490,148.68/734,821.26 = 174,425.80/x
  3. Step 3: Cross multiply
    490,148.68x = 734,821.26 × 174,425.80
  4. Step 4: Simplify right side
    490,148.68x = 128,171,786,132.51
  5. Step 5: Solve for x
    x = 128,171,786,132.51/490,148.68
  6. Step 6: Final answer
    x = 261,495.73

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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.