Finding the Fourth Proportional to 531,212.25, 796,974.44 and 157,244.97
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Solution
The fourth proportional to 531,212.25, 796,974.44 and 157,244.97 is: 235,913.65
Step by Step Solution
- Step 1: Write the proportion equation
531,212.25 : 796,974.44 = 157,244.97 : x - Step 2: Convert to fraction form
531,212.25/796,974.44 = 157,244.97/x - Step 3: Cross multiply
531,212.25x = 796,974.44 × 157,244.97 - Step 4: Simplify right side
531,212.25x = 125,320,221,122.34 - Step 5: Solve for x
x = 125,320,221,122.34/531,212.25 - Step 6: Final answer
x = 235,913.65
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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.