Home / 347,419.59-479,738.24-218,572.82

Finding the Fourth Proportional to 347,419.59, 479,738.24 and 218,572.82

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Solution

The fourth proportional to 347,419.59, 479,738.24 and 218,572.82 is: 301,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,419.59 : 479,738.24 = 218,572.82 : x
  2. Step 2: Convert to fraction form
    347,419.59/479,738.24 = 218,572.82/x
  3. Step 3: Cross multiply
    347,419.59x = 479,738.24 × 218,572.82
  4. Step 4: Simplify right side
    347,419.59x = 104,857,741,724.41
  5. Step 5: Solve for x
    x = 104,857,741,724.41/347,419.59
  6. Step 6: Final answer
    x = 301,818.74

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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.