Home / 339,390.75-467,975.40-216,721.83

Finding the Fourth Proportional to 339,390.75, 467,975.40 and 216,721.83

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Solution

The fourth proportional to 339,390.75, 467,975.40 and 216,721.83 is: 298,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,390.75 : 467,975.40 = 216,721.83 : x
  2. Step 2: Convert to fraction form
    339,390.75/467,975.40 = 216,721.83/x
  3. Step 3: Cross multiply
    339,390.75x = 467,975.40 × 216,721.83
  4. Step 4: Simplify right side
    339,390.75x = 101,420,485,082.98
  5. Step 5: Solve for x
    x = 101,420,485,082.98/339,390.75
  6. Step 6: Final answer
    x = 298,831.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.