Home / 456,334.20-684,533.70-140,790.60

Finding the Fourth Proportional to 456,334.20, 684,533.70 and 140,790.60

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Solution

The fourth proportional to 456,334.20, 684,533.70 and 140,790.60 is: 211,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,334.20 : 684,533.70 = 140,790.60 : x
  2. Step 2: Convert to fraction form
    456,334.20/684,533.70 = 140,790.60/x
  3. Step 3: Cross multiply
    456,334.20x = 684,533.70 × 140,790.60
  4. Step 4: Simplify right side
    456,334.20x = 96,375,910,343.22
  5. Step 5: Solve for x
    x = 96,375,910,343.22/456,334.20
  6. Step 6: Final answer
    x = 211,195.90

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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.