Finding the Fourth Proportional to 106,042.16, 146,340.97 and 58,296.71
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Solution
The fourth proportional to 106,042.16, 146,340.97 and 58,296.71 is: 80,450.99
Step by Step Solution
- Step 1: Write the proportion equation
106,042.16 : 146,340.97 = 58,296.71 : x - Step 2: Convert to fraction form
106,042.16/146,340.97 = 58,296.71/x - Step 3: Cross multiply
106,042.16x = 146,340.97 × 58,296.71 - Step 4: Simplify right side
106,042.16x = 8,531,196,211.76 - Step 5: Solve for x
x = 8,531,196,211.76/106,042.16 - Step 6: Final answer
x = 80,450.99
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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.