Home / 490,729.20-736,093.80-158,305.20

Finding the Fourth Proportional to 490,729.20, 736,093.80 and 158,305.20

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Solution

The fourth proportional to 490,729.20, 736,093.80 and 158,305.20 is: 237,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,729.20 : 736,093.80 = 158,305.20 : x
  2. Step 2: Convert to fraction form
    490,729.20/736,093.80 = 158,305.20/x
  3. Step 3: Cross multiply
    490,729.20x = 736,093.80 × 158,305.20
  4. Step 4: Simplify right side
    490,729.20x = 116,527,476,227.76
  5. Step 5: Solve for x
    x = 116,527,476,227.76/490,729.20
  6. Step 6: Final answer
    x = 237,457.80

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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.