Home / 445,810.26-615,218.09-254,827.75

Finding the Fourth Proportional to 445,810.26, 615,218.09 and 254,827.75

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Solution

The fourth proportional to 445,810.26, 615,218.09 and 254,827.75 is: 351,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,810.26 : 615,218.09 = 254,827.75 : x
  2. Step 2: Convert to fraction form
    445,810.26/615,218.09 = 254,827.75/x
  3. Step 3: Cross multiply
    445,810.26x = 615,218.09 × 254,827.75
  4. Step 4: Simplify right side
    445,810.26x = 156,774,641,634.00
  5. Step 5: Solve for x
    x = 156,774,641,634.00/445,810.26
  6. Step 6: Final answer
    x = 351,662.26

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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.