Home / 203,113.30-280,831.42-177,890.50

Finding the Fourth Proportional to 203,113.30, 280,831.42 and 177,890.50

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Solution

The fourth proportional to 203,113.30, 280,831.42 and 177,890.50 is: 245,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,113.30 : 280,831.42 = 177,890.50 : x
  2. Step 2: Convert to fraction form
    203,113.30/280,831.42 = 177,890.50/x
  3. Step 3: Cross multiply
    203,113.30x = 280,831.42 × 177,890.50
  4. Step 4: Simplify right side
    203,113.30x = 49,957,241,719.51
  5. Step 5: Solve for x
    x = 49,957,241,719.51/203,113.30
  6. Step 6: Final answer
    x = 245,957.51

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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.