Home / 282,155.20-423,224.60-82,480.28

Finding the Fourth Proportional to 282,155.20, 423,224.60 and 82,480.28

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Solution

The fourth proportional to 282,155.20, 423,224.60 and 82,480.28 is: 123,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,155.20 : 423,224.60 = 82,480.28 : x
  2. Step 2: Convert to fraction form
    282,155.20/423,224.60 = 82,480.28/x
  3. Step 3: Cross multiply
    282,155.20x = 423,224.60 × 82,480.28
  4. Step 4: Simplify right side
    282,155.20x = 34,907,680,982.36
  5. Step 5: Solve for x
    x = 34,907,680,982.36/282,155.20
  6. Step 6: Final answer
    x = 123,718.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.