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Finding the Fourth Proportional to 400,536.67, 600,803.48 and 163,879.27

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Solution

The fourth proportional to 400,536.67, 600,803.48 and 163,879.27 is: 245,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,536.67 : 600,803.48 = 163,879.27 : x
  2. Step 2: Convert to fraction form
    400,536.67/600,803.48 = 163,879.27/x
  3. Step 3: Cross multiply
    400,536.67x = 600,803.48 × 163,879.27
  4. Step 4: Simplify right side
    400,536.67x = 98,459,235,715.86
  5. Step 5: Solve for x
    x = 98,459,235,715.86/400,536.67
  6. Step 6: Final answer
    x = 245,818.28

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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.