Home / 427,167.27-589,439.30-236,154.69

Finding the Fourth Proportional to 427,167.27, 589,439.30 and 236,154.69

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Solution

The fourth proportional to 427,167.27, 589,439.30 and 236,154.69 is: 325,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,167.27 : 589,439.30 = 236,154.69 : x
  2. Step 2: Convert to fraction form
    427,167.27/589,439.30 = 236,154.69/x
  3. Step 3: Cross multiply
    427,167.27x = 589,439.30 × 236,154.69
  4. Step 4: Simplify right side
    427,167.27x = 139,198,853,984.54
  5. Step 5: Solve for x
    x = 139,198,853,984.54/427,167.27
  6. Step 6: Final answer
    x = 325,864.98

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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.