Home / 276,680.56-381,831.96-155,860.24

Finding the Fourth Proportional to 276,680.56, 381,831.96 and 155,860.24

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Solution

The fourth proportional to 276,680.56, 381,831.96 and 155,860.24 is: 215,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,680.56 : 381,831.96 = 155,860.24 : x
  2. Step 2: Convert to fraction form
    276,680.56/381,831.96 = 155,860.24/x
  3. Step 3: Cross multiply
    276,680.56x = 381,831.96 × 155,860.24
  4. Step 4: Simplify right side
    276,680.56x = 59,512,420,925.27
  5. Step 5: Solve for x
    x = 59,512,420,925.27/276,680.56
  6. Step 6: Final answer
    x = 215,094.33

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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.