Home / 276,831.56-382,002.48-155,992.52

Finding the Fourth Proportional to 276,831.56, 382,002.48 and 155,992.52

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Solution

The fourth proportional to 276,831.56, 382,002.48 and 155,992.52 is: 215,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,831.56 : 382,002.48 = 155,992.52 : x
  2. Step 2: Convert to fraction form
    276,831.56/382,002.48 = 155,992.52/x
  3. Step 3: Cross multiply
    276,831.56x = 382,002.48 × 155,992.52
  4. Step 4: Simplify right side
    276,831.56x = 59,589,529,501.45
  5. Step 5: Solve for x
    x = 59,589,529,501.45/276,831.56
  6. Step 6: Final answer
    x = 215,255.55

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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.