Home / 288,399.27-397,988.73-167,611.26

Finding the Fourth Proportional to 288,399.27, 397,988.73 and 167,611.26

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Solution

The fourth proportional to 288,399.27, 397,988.73 and 167,611.26 is: 231,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,399.27 : 397,988.73 = 167,611.26 : x
  2. Step 2: Convert to fraction form
    288,399.27/397,988.73 = 167,611.26/x
  3. Step 3: Cross multiply
    288,399.27x = 397,988.73 × 167,611.26
  4. Step 4: Simplify right side
    288,399.27x = 66,707,392,501.10
  5. Step 5: Solve for x
    x = 66,707,392,501.10/288,399.27
  6. Step 6: Final answer
    x = 231,302.22

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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.