Home / 268,279.02-401,892.62-155,723.27

Finding the Fourth Proportional to 268,279.02, 401,892.62 and 155,723.27

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Solution

The fourth proportional to 268,279.02, 401,892.62 and 155,723.27 is: 233,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,279.02 : 401,892.62 = 155,723.27 : x
  2. Step 2: Convert to fraction form
    268,279.02/401,892.62 = 155,723.27/x
  3. Step 3: Cross multiply
    268,279.02x = 401,892.62 × 155,723.27
  4. Step 4: Simplify right side
    268,279.02x = 62,584,030,187.19
  5. Step 5: Solve for x
    x = 62,584,030,187.19/268,279.02
  6. Step 6: Final answer
    x = 233,279.63

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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.