Home / 354,831.75-489,539.43-273,184.83

Finding the Fourth Proportional to 354,831.75, 489,539.43 and 273,184.83

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Solution

The fourth proportional to 354,831.75, 489,539.43 and 273,184.83 is: 376,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,831.75 : 489,539.43 = 273,184.83 : x
  2. Step 2: Convert to fraction form
    354,831.75/489,539.43 = 273,184.83/x
  3. Step 3: Cross multiply
    354,831.75x = 489,539.43 × 273,184.83
  4. Step 4: Simplify right side
    354,831.75x = 133,734,745,962.85
  5. Step 5: Solve for x
    x = 133,734,745,962.85/354,831.75
  6. Step 6: Final answer
    x = 376,896.22

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1.5x scale

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.