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Finding the Fourth Proportional to 323,674.29, 485,651.50 and 173,739.51

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Solution

The fourth proportional to 323,674.29, 485,651.50 and 173,739.51 is: 260,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,674.29 : 485,651.50 = 173,739.51 : x
  2. Step 2: Convert to fraction form
    323,674.29/485,651.50 = 173,739.51/x
  3. Step 3: Cross multiply
    323,674.29x = 485,651.50 × 173,739.51
  4. Step 4: Simplify right side
    323,674.29x = 84,376,853,206.42
  5. Step 5: Solve for x
    x = 84,376,853,206.42/323,674.29
  6. Step 6: Final answer
    x = 260,684.45

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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.