Home / 427,169.28-589,442.06-236,156.70

Finding the Fourth Proportional to 427,169.28, 589,442.06 and 236,156.70

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Solution

The fourth proportional to 427,169.28, 589,442.06 and 236,156.70 is: 325,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,169.28 : 589,442.06 = 236,156.70 : x
  2. Step 2: Convert to fraction form
    427,169.28/589,442.06 = 236,156.70/x
  3. Step 3: Cross multiply
    427,169.28x = 589,442.06 × 236,156.70
  4. Step 4: Simplify right side
    427,169.28x = 139,200,691,730.80
  5. Step 5: Solve for x
    x = 139,200,691,730.80/427,169.28
  6. Step 6: Final answer
    x = 325,867.75

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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.