Home / 203,485.35-305,228.03-173,418.15

Finding the Fourth Proportional to 203,485.35, 305,228.03 and 173,418.15

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Solution

The fourth proportional to 203,485.35, 305,228.03 and 173,418.15 is: 260,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,485.35 : 305,228.03 = 173,418.15 : x
  2. Step 2: Convert to fraction form
    203,485.35/305,228.03 = 173,418.15/x
  3. Step 3: Cross multiply
    203,485.35x = 305,228.03 × 173,418.15
  4. Step 4: Simplify right side
    203,485.35x = 52,932,079,423.65
  5. Step 5: Solve for x
    x = 52,932,079,423.65/203,485.35
  6. Step 6: Final answer
    x = 260,127.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.