Finding the Fourth Proportional to 151,491.53, 209,048.93 and 83,504.99
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Solution
The fourth proportional to 151,491.53, 209,048.93 and 83,504.99 is: 115,231.71
Step by Step Solution
- Step 1: Write the proportion equation
151,491.53 : 209,048.93 = 83,504.99 : x - Step 2: Convert to fraction form
151,491.53/209,048.93 = 83,504.99/x - Step 3: Cross multiply
151,491.53x = 209,048.93 × 83,504.99 - Step 4: Simplify right side
151,491.53x = 17,456,628,914.26 - Step 5: Solve for x
x = 17,456,628,914.26/151,491.53 - Step 6: Final answer
x = 115,231.71
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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.