Home / 250,206.66-345,285.09-135,485.28

Finding the Fourth Proportional to 250,206.66, 345,285.09 and 135,485.28

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Solution

The fourth proportional to 250,206.66, 345,285.09 and 135,485.28 is: 186,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,206.66 : 345,285.09 = 135,485.28 : x
  2. Step 2: Convert to fraction form
    250,206.66/345,285.09 = 135,485.28/x
  3. Step 3: Cross multiply
    250,206.66x = 345,285.09 × 135,485.28
  4. Step 4: Simplify right side
    250,206.66x = 46,781,047,098.48
  5. Step 5: Solve for x
    x = 46,781,047,098.48/250,206.66
  6. Step 6: Final answer
    x = 186,969.63

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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.