Home / 445,584.60-668,231.10-165,065.40

Finding the Fourth Proportional to 445,584.60, 668,231.10 and 165,065.40

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Solution

The fourth proportional to 445,584.60, 668,231.10 and 165,065.40 is: 247,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,584.60 : 668,231.10 = 165,065.40 : x
  2. Step 2: Convert to fraction form
    445,584.60/668,231.10 = 165,065.40/x
  3. Step 3: Cross multiply
    445,584.60x = 668,231.10 × 165,065.40
  4. Step 4: Simplify right side
    445,584.60x = 110,301,833,813.94
  5. Step 5: Solve for x
    x = 110,301,833,813.94/445,584.60
  6. Step 6: Final answer
    x = 247,544.09

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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.