Finding the Fourth Proportional to 171,400.94, 236,505.17 and 107,693.63
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Solution
The fourth proportional to 171,400.94, 236,505.17 and 107,693.63 is: 148,599.53
Step by Step Solution
- Step 1: Write the proportion equation
171,400.94 : 236,505.17 = 107,693.63 : x - Step 2: Convert to fraction form
171,400.94/236,505.17 = 107,693.63/x - Step 3: Cross multiply
171,400.94x = 236,505.17 × 107,693.63 - Step 4: Simplify right side
171,400.94x = 25,470,098,550.07 - Step 5: Solve for x
x = 25,470,098,550.07/171,400.94 - Step 6: Final answer
x = 148,599.53
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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.