Home / 298,583.75-412,319.42-189,723.95

Finding the Fourth Proportional to 298,583.75, 412,319.42 and 189,723.95

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Solution

The fourth proportional to 298,583.75, 412,319.42 and 189,723.95 is: 261,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,583.75 : 412,319.42 = 189,723.95 : x
  2. Step 2: Convert to fraction form
    298,583.75/412,319.42 = 189,723.95/x
  3. Step 3: Cross multiply
    298,583.75x = 412,319.42 × 189,723.95
  4. Step 4: Simplify right side
    298,583.75x = 78,226,866,962.51
  5. Step 5: Solve for x
    x = 78,226,866,962.51/298,583.75
  6. Step 6: Final answer
    x = 261,993.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.