Home / 327,239.97-490,860.63-90,583.35

Finding the Fourth Proportional to 327,239.97, 490,860.63 and 90,583.35

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Solution

The fourth proportional to 327,239.97, 490,860.63 and 90,583.35 is: 135,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,239.97 : 490,860.63 = 90,583.35 : x
  2. Step 2: Convert to fraction form
    327,239.97/490,860.63 = 90,583.35/x
  3. Step 3: Cross multiply
    327,239.97x = 490,860.63 × 90,583.35
  4. Step 4: Simplify right side
    327,239.97x = 44,463,800,248.51
  5. Step 5: Solve for x
    x = 44,463,800,248.51/327,239.97
  6. Step 6: Final answer
    x = 135,875.21

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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.