Finding the Fourth Proportional to 171,399.06, 236,502.59 and 107,691.75
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Solution
The fourth proportional to 171,399.06, 236,502.59 and 107,691.75 is: 148,596.95
Step by Step Solution
- Step 1: Write the proportion equation
171,399.06 : 236,502.59 = 107,691.75 : x - Step 2: Convert to fraction form
171,399.06/236,502.59 = 107,691.75/x - Step 3: Cross multiply
171,399.06x = 236,502.59 × 107,691.75 - Step 4: Simplify right side
171,399.06x = 25,469,377,258.17 - Step 5: Solve for x
x = 25,469,377,258.17/171,399.06 - Step 6: Final answer
x = 148,596.95
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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.