Home / 427,113.20-589,364.94-236,100.62

Finding the Fourth Proportional to 427,113.20, 589,364.94 and 236,100.62

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Solution

The fourth proportional to 427,113.20, 589,364.94 and 236,100.62 is: 325,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,113.20 : 589,364.94 = 236,100.62 : x
  2. Step 2: Convert to fraction form
    427,113.20/589,364.94 = 236,100.62/x
  3. Step 3: Cross multiply
    427,113.20x = 589,364.94 × 236,100.62
  4. Step 4: Simplify right side
    427,113.20x = 139,149,427,740.26
  5. Step 5: Solve for x
    x = 139,149,427,740.26/427,113.20
  6. Step 6: Final answer
    x = 325,790.51

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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.