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Finding the Fourth Proportional to 326,927.93, 451,361.84 and 259,218.41

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Solution

The fourth proportional to 326,927.93, 451,361.84 and 259,218.41 is: 357,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,927.93 : 451,361.84 = 259,218.41 : x
  2. Step 2: Convert to fraction form
    326,927.93/451,361.84 = 259,218.41/x
  3. Step 3: Cross multiply
    326,927.93x = 451,361.84 × 259,218.41
  4. Step 4: Simplify right side
    326,927.93x = 117,001,298,331.79
  5. Step 5: Solve for x
    x = 117,001,298,331.79/326,927.93
  6. Step 6: Final answer
    x = 357,881.01

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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.