Home / 268,283.37-370,125-172,845.75

Finding the Fourth Proportional to 268,283.37, 370,125 and 172,845.75

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Solution

The fourth proportional to 268,283.37, 370,125 and 172,845.75 is: 238,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,283.37 : 370,125 = 172,845.75 : x
  2. Step 2: Convert to fraction form
    268,283.37/370,125 = 172,845.75/x
  3. Step 3: Cross multiply
    268,283.37x = 370,125 × 172,845.75
  4. Step 4: Simplify right side
    268,283.37x = 63,974,533,218.75
  5. Step 5: Solve for x
    x = 63,974,533,218.75/268,283.37
  6. Step 6: Final answer
    x = 238,458.81

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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.