Home / 347,872.79-479,852.27-229,999.33

Finding the Fourth Proportional to 347,872.79, 479,852.27 and 229,999.33

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Solution

The fourth proportional to 347,872.79, 479,852.27 and 229,999.33 is: 317,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,872.79 : 479,852.27 = 229,999.33 : x
  2. Step 2: Convert to fraction form
    347,872.79/479,852.27 = 229,999.33/x
  3. Step 3: Cross multiply
    347,872.79x = 479,852.27 × 229,999.33
  4. Step 4: Simplify right side
    347,872.79x = 110,365,700,911.30
  5. Step 5: Solve for x
    x = 110,365,700,911.30/347,872.79
  6. Step 6: Final answer
    x = 317,258.79

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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.