Home / 445,850.81-668,382.55-341,137.25

Finding the Fourth Proportional to 445,850.81, 668,382.55 and 341,137.25

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Solution

The fourth proportional to 445,850.81, 668,382.55 and 341,137.25 is: 511,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,850.81 : 668,382.55 = 341,137.25 : x
  2. Step 2: Convert to fraction form
    445,850.81/668,382.55 = 341,137.25/x
  3. Step 3: Cross multiply
    445,850.81x = 668,382.55 × 341,137.25
  4. Step 4: Simplify right side
    445,850.81x = 228,010,185,054.99
  5. Step 5: Solve for x
    x = 228,010,185,054.99/445,850.81
  6. Step 6: Final answer
    x = 511,404.67

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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.