Home / 393,447.16-590,761.14-225,157.51

Finding the Fourth Proportional to 393,447.16, 590,761.14 and 225,157.51

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Solution

The fourth proportional to 393,447.16, 590,761.14 and 225,157.51 is: 338,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,447.16 : 590,761.14 = 225,157.51 : x
  2. Step 2: Convert to fraction form
    393,447.16/590,761.14 = 225,157.51/x
  3. Step 3: Cross multiply
    393,447.16x = 590,761.14 × 225,157.51
  4. Step 4: Simplify right side
    393,447.16x = 133,014,307,287.16
  5. Step 5: Solve for x
    x = 133,014,307,287.16/393,447.16
  6. Step 6: Final answer
    x = 338,074.13

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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.