Home / 408,383.02-563,485.98-238,584.34

Finding the Fourth Proportional to 408,383.02, 563,485.98 and 238,584.34

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Solution

The fourth proportional to 408,383.02, 563,485.98 and 238,584.34 is: 329,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,383.02 : 563,485.98 = 238,584.34 : x
  2. Step 2: Convert to fraction form
    408,383.02/563,485.98 = 238,584.34/x
  3. Step 3: Cross multiply
    408,383.02x = 563,485.98 × 238,584.34
  4. Step 4: Simplify right side
    408,383.02x = 134,438,930,637.55
  5. Step 5: Solve for x
    x = 134,438,930,637.55/408,383.02
  6. Step 6: Final answer
    x = 329,198.14

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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.