Home / 373,399.20-515,297.76-203,632.80

Finding the Fourth Proportional to 373,399.20, 515,297.76 and 203,632.80

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Solution

The fourth proportional to 373,399.20, 515,297.76 and 203,632.80 is: 281,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,399.20 : 515,297.76 = 203,632.80 : x
  2. Step 2: Convert to fraction form
    373,399.20/515,297.76 = 203,632.80/x
  3. Step 3: Cross multiply
    373,399.20x = 515,297.76 × 203,632.80
  4. Step 4: Simplify right side
    373,399.20x = 104,931,525,702.53
  5. Step 5: Solve for x
    x = 104,931,525,702.53/373,399.20
  6. Step 6: Final answer
    x = 281,017.01

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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.