Home / 307,442.45-458,107.31-273,904.81

Finding the Fourth Proportional to 307,442.45, 458,107.31 and 273,904.81

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Solution

The fourth proportional to 307,442.45, 458,107.31 and 273,904.81 is: 408,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,442.45 : 458,107.31 = 273,904.81 : x
  2. Step 2: Convert to fraction form
    307,442.45/458,107.31 = 273,904.81/x
  3. Step 3: Cross multiply
    307,442.45x = 458,107.31 × 273,904.81
  4. Step 4: Simplify right side
    307,442.45x = 125,477,795,244.66
  5. Step 5: Solve for x
    x = 125,477,795,244.66/307,442.45
  6. Step 6: Final answer
    x = 408,134.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.