Home / 281,437.37-422,234.97-113,075.91

Finding the Fourth Proportional to 281,437.37, 422,234.97 and 113,075.91

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Solution

The fourth proportional to 281,437.37, 422,234.97 and 113,075.91 is: 169,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,437.37 : 422,234.97 = 113,075.91 : x
  2. Step 2: Convert to fraction form
    281,437.37/422,234.97 = 113,075.91/x
  3. Step 3: Cross multiply
    281,437.37x = 422,234.97 × 113,075.91
  4. Step 4: Simplify right side
    281,437.37x = 47,744,603,042.54
  5. Step 5: Solve for x
    x = 47,744,603,042.54/281,437.37
  6. Step 6: Final answer
    x = 169,645.57

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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.