Home / 445,030.43-667,586.69-145,512.55

Finding the Fourth Proportional to 445,030.43, 667,586.69 and 145,512.55

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Solution

The fourth proportional to 445,030.43, 667,586.69 and 145,512.55 is: 218,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,030.43 : 667,586.69 = 145,512.55 : x
  2. Step 2: Convert to fraction form
    445,030.43/667,586.69 = 145,512.55/x
  3. Step 3: Cross multiply
    445,030.43x = 667,586.69 × 145,512.55
  4. Step 4: Simplify right side
    445,030.43x = 97,142,237,542.46
  5. Step 5: Solve for x
    x = 97,142,237,542.46/445,030.43
  6. Step 6: Final answer
    x = 218,282.24

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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.