Home / 408,316.12-563,393.40-238,517.44

Finding the Fourth Proportional to 408,316.12, 563,393.40 and 238,517.44

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Solution

The fourth proportional to 408,316.12, 563,393.40 and 238,517.44 is: 329,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,316.12 : 563,393.40 = 238,517.44 : x
  2. Step 2: Convert to fraction form
    408,316.12/563,393.40 = 238,517.44/x
  3. Step 3: Cross multiply
    408,316.12x = 563,393.40 × 238,517.44
  4. Step 4: Simplify right side
    408,316.12x = 134,379,151,480.90
  5. Step 5: Solve for x
    x = 134,379,151,480.90/408,316.12
  6. Step 6: Final answer
    x = 329,105.67

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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.