Home / 456,211.44-684,273.18-140,583.60

Finding the Fourth Proportional to 456,211.44, 684,273.18 and 140,583.60

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Solution

The fourth proportional to 456,211.44, 684,273.18 and 140,583.60 is: 210,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,211.44 : 684,273.18 = 140,583.60 : x
  2. Step 2: Convert to fraction form
    456,211.44/684,273.18 = 140,583.60/x
  3. Step 3: Cross multiply
    456,211.44x = 684,273.18 × 140,583.60
  4. Step 4: Simplify right side
    456,211.44x = 96,197,587,027.85
  5. Step 5: Solve for x
    x = 96,197,587,027.85/456,211.44
  6. Step 6: Final answer
    x = 210,861.85

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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.