Finding the Fourth Proportional to 151,836.87, 209,531.30 and 83,852.49
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Solution
The fourth proportional to 151,836.87, 209,531.30 and 83,852.49 is: 115,714.46
Step by Step Solution
- Step 1: Write the proportion equation
151,836.87 : 209,531.30 = 83,852.49 : x - Step 2: Convert to fraction form
151,836.87/209,531.30 = 83,852.49/x - Step 3: Cross multiply
151,836.87x = 209,531.30 × 83,852.49 - Step 4: Simplify right side
151,836.87x = 17,569,720,818.67 - Step 5: Solve for x
x = 17,569,720,818.67/151,836.87 - Step 6: Final answer
x = 115,714.46
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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.