Home / 347,406.48-479,040.21-226,323.23

Finding the Fourth Proportional to 347,406.48, 479,040.21 and 226,323.23

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Solution

The fourth proportional to 347,406.48, 479,040.21 and 226,323.23 is: 312,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,406.48 : 479,040.21 = 226,323.23 : x
  2. Step 2: Convert to fraction form
    347,406.48/479,040.21 = 226,323.23/x
  3. Step 3: Cross multiply
    347,406.48x = 479,040.21 × 226,323.23
  4. Step 4: Simplify right side
    347,406.48x = 108,417,925,231.88
  5. Step 5: Solve for x
    x = 108,417,925,231.88/347,406.48
  6. Step 6: Final answer
    x = 312,078.02

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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.