Finding the Fourth Proportional to 106,371.23, 159,623.36 and 43,191.63
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Solution
The fourth proportional to 106,371.23, 159,623.36 and 43,191.63 is: 64,814.46
Step by Step Solution
- Step 1: Write the proportion equation
106,371.23 : 159,623.36 = 43,191.63 : x - Step 2: Convert to fraction form
106,371.23/159,623.36 = 43,191.63/x - Step 3: Cross multiply
106,371.23x = 159,623.36 × 43,191.63 - Step 4: Simplify right side
106,371.23x = 6,894,393,050.49 - Step 5: Solve for x
x = 6,894,393,050.49/106,371.23 - Step 6: Final answer
x = 64,814.46
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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.