Home / 445,763.46-668,820.33-196,270.50

Finding the Fourth Proportional to 445,763.46, 668,820.33 and 196,270.50

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Solution

The fourth proportional to 445,763.46, 668,820.33 and 196,270.50 is: 294,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,763.46 : 668,820.33 = 196,270.50 : x
  2. Step 2: Convert to fraction form
    445,763.46/668,820.33 = 196,270.50/x
  3. Step 3: Cross multiply
    445,763.46x = 668,820.33 × 196,270.50
  4. Step 4: Simplify right side
    445,763.46x = 131,269,700,579.27
  5. Step 5: Solve for x
    x = 131,269,700,579.27/445,763.46
  6. Step 6: Final answer
    x = 294,482.86

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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.