Finding the Fourth Proportional to 164,317.78, 226,705.53 and 129,752.79
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Solution
The fourth proportional to 164,317.78, 226,705.53 and 129,752.79 is: 179,016.99
Step by Step Solution
- Step 1: Write the proportion equation
164,317.78 : 226,705.53 = 129,752.79 : x - Step 2: Convert to fraction form
164,317.78/226,705.53 = 129,752.79/x - Step 3: Cross multiply
164,317.78x = 226,705.53 × 129,752.79 - Step 4: Simplify right side
164,317.78x = 29,415,675,025.93 - Step 5: Solve for x
x = 29,415,675,025.93/164,317.78 - Step 6: Final answer
x = 179,016.99
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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.