Home / 456,768.12-684,151.83-231,742.02

Finding the Fourth Proportional to 456,768.12, 684,151.83 and 231,742.02

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Solution

The fourth proportional to 456,768.12, 684,151.83 and 231,742.02 is: 347,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,768.12 : 684,151.83 = 231,742.02 : x
  2. Step 2: Convert to fraction form
    456,768.12/684,151.83 = 231,742.02/x
  3. Step 3: Cross multiply
    456,768.12x = 684,151.83 × 231,742.02
  4. Step 4: Simplify right side
    456,768.12x = 158,546,727,070.90
  5. Step 5: Solve for x
    x = 158,546,727,070.90/456,768.12
  6. Step 6: Final answer
    x = 347,105.50

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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.