Finding the Fourth Proportional to 226,537.68, 312,623.16 and 124,569.66
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Solution
The fourth proportional to 226,537.68, 312,623.16 and 124,569.66 is: 171,906.77
Step by Step Solution
- Step 1: Write the proportion equation
226,537.68 : 312,623.16 = 124,569.66 : x - Step 2: Convert to fraction form
226,537.68/312,623.16 = 124,569.66/x - Step 3: Cross multiply
226,537.68x = 312,623.16 × 124,569.66 - Step 4: Simplify right side
226,537.68x = 38,943,360,749.33 - Step 5: Solve for x
x = 38,943,360,749.33/226,537.68 - Step 6: Final answer
x = 171,906.77
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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.