Finding the Fourth Proportional to 106,219.19, 159,352.79 and 35,141.66
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Solution
The fourth proportional to 106,219.19, 159,352.79 and 35,141.66 is: 52,720.43
Step by Step Solution
- Step 1: Write the proportion equation
106,219.19 : 159,352.79 = 35,141.66 : x - Step 2: Convert to fraction form
106,219.19/159,352.79 = 35,141.66/x - Step 3: Cross multiply
106,219.19x = 159,352.79 × 35,141.66 - Step 4: Simplify right side
106,219.19x = 5,599,921,566.23 - Step 5: Solve for x
x = 5,599,921,566.23/106,219.19 - Step 6: Final answer
x = 52,720.43
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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.