Home / 325,814.20-488,721.30-302,194.60

Finding the Fourth Proportional to 325,814.20, 488,721.30 and 302,194.60

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Solution

The fourth proportional to 325,814.20, 488,721.30 and 302,194.60 is: 453,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,814.20 : 488,721.30 = 302,194.60 : x
  2. Step 2: Convert to fraction form
    325,814.20/488,721.30 = 302,194.60/x
  3. Step 3: Cross multiply
    325,814.20x = 488,721.30 × 302,194.60
  4. Step 4: Simplify right side
    325,814.20x = 147,688,937,764.98
  5. Step 5: Solve for x
    x = 147,688,937,764.98/325,814.20
  6. Step 6: Final answer
    x = 453,291.90

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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.