Finding the Fourth Proportional to 324,425.36, 444,455.32 and 312,296.06
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Solution
The fourth proportional to 324,425.36, 444,455.32 and 312,296.06 is: 427,838.46
Step by Step Solution
- Step 1: Write the proportion equation
324,425.36 : 444,455.32 = 312,296.06 : x - Step 2: Convert to fraction form
324,425.36/444,455.32 = 312,296.06/x - Step 3: Cross multiply
324,425.36x = 444,455.32 × 312,296.06 - Step 4: Simplify right side
324,425.36x = 138,801,645,282.04 - Step 5: Solve for x
x = 138,801,645,282.04/324,425.36 - Step 6: Final answer
x = 427,838.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.