Finding the Fourth Proportional to 126,219.96, 188,296.29 and 122,787.99
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Solution
The fourth proportional to 126,219.96, 188,296.29 and 122,787.99 is: 183,176.44
Step by Step Solution
- Step 1: Write the proportion equation
126,219.96 : 188,296.29 = 122,787.99 : x - Step 2: Convert to fraction form
126,219.96/188,296.29 = 122,787.99/x - Step 3: Cross multiply
126,219.96x = 188,296.29 × 122,787.99 - Step 4: Simplify right side
126,219.96x = 23,120,522,973.56 - Step 5: Solve for x
x = 23,120,522,973.56/126,219.96 - Step 6: Final answer
x = 183,176.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.