Home / 347,235.26-479,348.45-261,227.06

Finding the Fourth Proportional to 347,235.26, 479,348.45 and 261,227.06

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Solution

The fourth proportional to 347,235.26, 479,348.45 and 261,227.06 is: 360,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,235.26 : 479,348.45 = 261,227.06 : x
  2. Step 2: Convert to fraction form
    347,235.26/479,348.45 = 261,227.06/x
  3. Step 3: Cross multiply
    347,235.26x = 479,348.45 × 261,227.06
  4. Step 4: Simplify right side
    347,235.26x = 125,218,785,383.34
  5. Step 5: Solve for x
    x = 125,218,785,383.34/347,235.26
  6. Step 6: Final answer
    x = 360,616.57

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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.