Home / 327,662.67-451,941.55-218,712.07

Finding the Fourth Proportional to 327,662.67, 451,941.55 and 218,712.07

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Solution

The fourth proportional to 327,662.67, 451,941.55 and 218,712.07 is: 301,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,662.67 : 451,941.55 = 218,712.07 : x
  2. Step 2: Convert to fraction form
    327,662.67/451,941.55 = 218,712.07/x
  3. Step 3: Cross multiply
    327,662.67x = 451,941.55 × 218,712.07
  4. Step 4: Simplify right side
    327,662.67x = 98,845,071,919.51
  5. Step 5: Solve for x
    x = 98,845,071,919.51/327,662.67
  6. Step 6: Final answer
    x = 301,667.17

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1.5x scale

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.