Home / 291,539.25-436,321.35-179,290.67

Finding the Fourth Proportional to 291,539.25, 436,321.35 and 179,290.67

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Solution

The fourth proportional to 291,539.25, 436,321.35 and 179,290.67 is: 268,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,539.25 : 436,321.35 = 179,290.67 : x
  2. Step 2: Convert to fraction form
    291,539.25/436,321.35 = 179,290.67/x
  3. Step 3: Cross multiply
    291,539.25x = 436,321.35 × 179,290.67
  4. Step 4: Simplify right side
    291,539.25x = 78,228,344,995.20
  5. Step 5: Solve for x
    x = 78,228,344,995.20/291,539.25
  6. Step 6: Final answer
    x = 268,328.69

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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.