Home / 373,270.36-515,116.12-203,505.72

Finding the Fourth Proportional to 373,270.36, 515,116.12 and 203,505.72

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Solution

The fourth proportional to 373,270.36, 515,116.12 and 203,505.72 is: 280,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,270.36 : 515,116.12 = 203,505.72 : x
  2. Step 2: Convert to fraction form
    373,270.36/515,116.12 = 203,505.72/x
  3. Step 3: Cross multiply
    373,270.36x = 515,116.12 × 203,505.72
  4. Step 4: Simplify right side
    373,270.36x = 104,829,076,884.21
  5. Step 5: Solve for x
    x = 104,829,076,884.21/373,270.36
  6. Step 6: Final answer
    x = 280,839.54

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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.