Home / 389,322.90-582,817.95-231,470.10

Finding the Fourth Proportional to 389,322.90, 582,817.95 and 231,470.10

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Solution

The fourth proportional to 389,322.90, 582,817.95 and 231,470.10 is: 346,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,322.90 : 582,817.95 = 231,470.10 : x
  2. Step 2: Convert to fraction form
    389,322.90/582,817.95 = 231,470.10/x
  3. Step 3: Cross multiply
    389,322.90x = 582,817.95 × 231,470.10
  4. Step 4: Simplify right side
    389,322.90x = 134,904,929,168.30
  5. Step 5: Solve for x
    x = 134,904,929,168.30/389,322.90
  6. Step 6: Final answer
    x = 346,511.67

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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.