Home / 272,140.08-408,268.32-114,287.28

Finding the Fourth Proportional to 272,140.08, 408,268.32 and 114,287.28

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Solution

The fourth proportional to 272,140.08, 408,268.32 and 114,287.28 is: 171,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,140.08 : 408,268.32 = 114,287.28 : x
  2. Step 2: Convert to fraction form
    272,140.08/408,268.32 = 114,287.28/x
  3. Step 3: Cross multiply
    272,140.08x = 408,268.32 × 114,287.28
  4. Step 4: Simplify right side
    272,140.08x = 46,659,875,802.97
  5. Step 5: Solve for x
    x = 46,659,875,802.97/272,140.08
  6. Step 6: Final answer
    x = 171,455.36

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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.