Home / 373,739.06-515,752.71-203,974.40

Finding the Fourth Proportional to 373,739.06, 515,752.71 and 203,974.40

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Solution

The fourth proportional to 373,739.06, 515,752.71 and 203,974.40 is: 281,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,739.06 : 515,752.71 = 203,974.40 : x
  2. Step 2: Convert to fraction form
    373,739.06/515,752.71 = 203,974.40/x
  3. Step 3: Cross multiply
    373,739.06x = 515,752.71 × 203,974.40
  4. Step 4: Simplify right side
    373,739.06x = 105,200,349,570.62
  5. Step 5: Solve for x
    x = 105,200,349,570.62/373,739.06
  6. Step 6: Final answer
    x = 281,480.75

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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.