Home / 347,316.90-479,323.05-194,370.39

Finding the Fourth Proportional to 347,316.90, 479,323.05 and 194,370.39

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Solution

The fourth proportional to 347,316.90, 479,323.05 and 194,370.39 is: 268,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,316.90 : 479,323.05 = 194,370.39 : x
  2. Step 2: Convert to fraction form
    347,316.90/479,323.05 = 194,370.39/x
  3. Step 3: Cross multiply
    347,316.90x = 479,323.05 × 194,370.39
  4. Step 4: Simplify right side
    347,316.90x = 93,166,208,164.49
  5. Step 5: Solve for x
    x = 93,166,208,164.49/347,316.90
  6. Step 6: Final answer
    x = 268,245.54

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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.