Home / 347,434.31-479,391.17-218,297.96

Finding the Fourth Proportional to 347,434.31, 479,391.17 and 218,297.96

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Solution

The fourth proportional to 347,434.31, 479,391.17 and 218,297.96 is: 301,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,434.31 : 479,391.17 = 218,297.96 : x
  2. Step 2: Convert to fraction form
    347,434.31/479,391.17 = 218,297.96/x
  3. Step 3: Cross multiply
    347,434.31x = 479,391.17 × 218,297.96
  4. Step 4: Simplify right side
    347,434.31x = 104,650,110,964.57
  5. Step 5: Solve for x
    x = 104,650,110,964.57/347,434.31
  6. Step 6: Final answer
    x = 301,208.34

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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.