Home / 300,072.08-450,211.80-113,137.04

Finding the Fourth Proportional to 300,072.08, 450,211.80 and 113,137.04

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Solution

The fourth proportional to 300,072.08, 450,211.80 and 113,137.04 is: 169,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,072.08 : 450,211.80 = 113,137.04 : x
  2. Step 2: Convert to fraction form
    300,072.08/450,211.80 = 113,137.04/x
  3. Step 3: Cross multiply
    300,072.08x = 450,211.80 × 113,137.04
  4. Step 4: Simplify right side
    300,072.08x = 50,935,630,425.07
  5. Step 5: Solve for x
    x = 50,935,630,425.07/300,072.08
  6. Step 6: Final answer
    x = 169,744.65

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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.