Home / 258,485.58-387,519.24-116,226.72

Finding the Fourth Proportional to 258,485.58, 387,519.24 and 116,226.72

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Solution

The fourth proportional to 258,485.58, 387,519.24 and 116,226.72 is: 174,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,485.58 : 387,519.24 = 116,226.72 : x
  2. Step 2: Convert to fraction form
    258,485.58/387,519.24 = 116,226.72/x
  3. Step 3: Cross multiply
    258,485.58x = 387,519.24 × 116,226.72
  4. Step 4: Simplify right side
    258,485.58x = 45,040,090,202.09
  5. Step 5: Solve for x
    x = 45,040,090,202.09/258,485.58
  6. Step 6: Final answer
    x = 174,246.05

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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.