Home / 355,899.67-533,739.65-103,198.79

Finding the Fourth Proportional to 355,899.67, 533,739.65 and 103,198.79

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Solution

The fourth proportional to 355,899.67, 533,739.65 and 103,198.79 is: 154,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,899.67 : 533,739.65 = 103,198.79 : x
  2. Step 2: Convert to fraction form
    355,899.67/533,739.65 = 103,198.79/x
  3. Step 3: Cross multiply
    355,899.67x = 533,739.65 × 103,198.79
  4. Step 4: Simplify right side
    355,899.67x = 55,081,286,055.02
  5. Step 5: Solve for x
    x = 55,081,286,055.02/355,899.67
  6. Step 6: Final answer
    x = 154,766.33

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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.