Finding the Fourth Proportional to 164,235.09, 226,627.47 and 121,237.44
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Solution
The fourth proportional to 164,235.09, 226,627.47 and 121,237.44 is: 167,295.15
Step by Step Solution
- Step 1: Write the proportion equation
164,235.09 : 226,627.47 = 121,237.44 : x - Step 2: Convert to fraction form
164,235.09/226,627.47 = 121,237.44/x - Step 3: Cross multiply
164,235.09x = 226,627.47 × 121,237.44 - Step 4: Simplify right side
164,235.09x = 27,475,734,296.48 - Step 5: Solve for x
x = 27,475,734,296.48/164,235.09 - Step 6: Final answer
x = 167,295.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.