Finding the Fourth Proportional to 209,569.53, 314,177.96 and 91,151.68
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Solution
The fourth proportional to 209,569.53, 314,177.96 and 91,151.68 is: 136,650.82
Step by Step Solution
- Step 1: Write the proportion equation
209,569.53 : 314,177.96 = 91,151.68 : x - Step 2: Convert to fraction form
209,569.53/314,177.96 = 91,151.68/x - Step 3: Cross multiply
209,569.53x = 314,177.96 × 91,151.68 - Step 4: Simplify right side
209,569.53x = 28,637,848,087.53 - Step 5: Solve for x
x = 28,637,848,087.53/209,569.53 - Step 6: Final answer
x = 136,650.82
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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.