Home / 347,209.23-479,162.37-203,968.02

Finding the Fourth Proportional to 347,209.23, 479,162.37 and 203,968.02

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Solution

The fourth proportional to 347,209.23, 479,162.37 and 203,968.02 is: 281,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,209.23 : 479,162.37 = 203,968.02 : x
  2. Step 2: Convert to fraction form
    347,209.23/479,162.37 = 203,968.02/x
  3. Step 3: Cross multiply
    347,209.23x = 479,162.37 × 203,968.02
  4. Step 4: Simplify right side
    347,209.23x = 97,733,798,847.57
  5. Step 5: Solve for x
    x = 97,733,798,847.57/347,209.23
  6. Step 6: Final answer
    x = 281,483.87

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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.