Home / 603,344.27-905,015.86-154,065.22

Finding the Fourth Proportional to 603,344.27, 905,015.86 and 154,065.22

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Solution

The fourth proportional to 603,344.27, 905,015.86 and 154,065.22 is: 231,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,344.27 : 905,015.86 = 154,065.22 : x
  2. Step 2: Convert to fraction form
    603,344.27/905,015.86 = 154,065.22/x
  3. Step 3: Cross multiply
    603,344.27x = 905,015.86 × 154,065.22
  4. Step 4: Simplify right side
    603,344.27x = 139,431,464,926.69
  5. Step 5: Solve for x
    x = 139,431,464,926.69/603,344.27
  6. Step 6: Final answer
    x = 231,097.69

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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.