Home / 307,428.48-458,086.62-273,890.82

Finding the Fourth Proportional to 307,428.48, 458,086.62 and 273,890.82

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Solution

The fourth proportional to 307,428.48, 458,086.62 and 273,890.82 is: 408,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,428.48 : 458,086.62 = 273,890.82 : x
  2. Step 2: Convert to fraction form
    307,428.48/458,086.62 = 273,890.82/x
  3. Step 3: Cross multiply
    307,428.48x = 458,086.62 × 273,890.82
  4. Step 4: Simplify right side
    307,428.48x = 125,465,719,982.83
  5. Step 5: Solve for x
    x = 125,465,719,982.83/307,428.48
  6. Step 6: Final answer
    x = 408,113.52

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1.5x scale

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.