Home / 445,829.60-668,825.40-146,226.80

Finding the Fourth Proportional to 445,829.60, 668,825.40 and 146,226.80

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Solution

The fourth proportional to 445,829.60, 668,825.40 and 146,226.80 is: 219,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,829.60 : 668,825.40 = 146,226.80 : x
  2. Step 2: Convert to fraction form
    445,829.60/668,825.40 = 146,226.80/x
  3. Step 3: Cross multiply
    445,829.60x = 668,825.40 × 146,226.80
  4. Step 4: Simplify right side
    445,829.60x = 97,800,198,000.72
  5. Step 5: Solve for x
    x = 97,800,198,000.72/445,829.60
  6. Step 6: Final answer
    x = 219,366.77

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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.