Home / 397,688.10-548,628.24-236,451.51

Finding the Fourth Proportional to 397,688.10, 548,628.24 and 236,451.51

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Solution

The fourth proportional to 397,688.10, 548,628.24 and 236,451.51 is: 326,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,688.10 : 548,628.24 = 236,451.51 : x
  2. Step 2: Convert to fraction form
    397,688.10/548,628.24 = 236,451.51/x
  3. Step 3: Cross multiply
    397,688.10x = 548,628.24 × 236,451.51
  4. Step 4: Simplify right side
    397,688.10x = 129,723,975,776.64
  5. Step 5: Solve for x
    x = 129,723,975,776.64/397,688.10
  6. Step 6: Final answer
    x = 326,195.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.