Home / 427,269.83-589,398-274,137.04

Finding the Fourth Proportional to 427,269.83, 589,398 and 274,137.04

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Solution

The fourth proportional to 427,269.83, 589,398 and 274,137.04 is: 378,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,269.83 : 589,398 = 274,137.04 : x
  2. Step 2: Convert to fraction form
    427,269.83/589,398 = 274,137.04/x
  3. Step 3: Cross multiply
    427,269.83x = 589,398 × 274,137.04
  4. Step 4: Simplify right side
    427,269.83x = 161,575,820,154.93
  5. Step 5: Solve for x
    x = 161,575,820,154.93/427,269.83
  6. Step 6: Final answer
    x = 378,158.74

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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.