Home / 445,004.68-667,548.03-145,486.84

Finding the Fourth Proportional to 445,004.68, 667,548.03 and 145,486.84

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Solution

The fourth proportional to 445,004.68, 667,548.03 and 145,486.84 is: 218,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,004.68 : 667,548.03 = 145,486.84 : x
  2. Step 2: Convert to fraction form
    445,004.68/667,548.03 = 145,486.84/x
  3. Step 3: Cross multiply
    445,004.68x = 667,548.03 × 145,486.84
  4. Step 4: Simplify right side
    445,004.68x = 97,119,453,432.93
  5. Step 5: Solve for x
    x = 97,119,453,432.93/445,004.68
  6. Step 6: Final answer
    x = 218,243.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.