Finding the Fourth Proportional to 151,736.29, 209,312.03 and 106,481.79
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Solution
The fourth proportional to 151,736.29, 209,312.03 and 106,481.79 is: 146,885.89
Step by Step Solution
- Step 1: Write the proportion equation
151,736.29 : 209,312.03 = 106,481.79 : x - Step 2: Convert to fraction form
151,736.29/209,312.03 = 106,481.79/x - Step 3: Cross multiply
151,736.29x = 209,312.03 × 106,481.79 - Step 4: Simplify right side
151,736.29x = 22,287,919,889.14 - Step 5: Solve for x
x = 22,287,919,889.14/151,736.29 - Step 6: Final answer
x = 146,885.89
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1.5x scale
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.