Home / 276,527.89-381,615.75-155,673.61

Finding the Fourth Proportional to 276,527.89, 381,615.75 and 155,673.61

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Solution

The fourth proportional to 276,527.89, 381,615.75 and 155,673.61 is: 214,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,527.89 : 381,615.75 = 155,673.61 : x
  2. Step 2: Convert to fraction form
    276,527.89/381,615.75 = 155,673.61/x
  3. Step 3: Cross multiply
    276,527.89x = 381,615.75 × 155,673.61
  4. Step 4: Simplify right side
    276,527.89x = 59,407,501,435.36
  5. Step 5: Solve for x
    x = 59,407,501,435.36/276,527.89
  6. Step 6: Final answer
    x = 214,833.67

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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.