Finding the Fourth Proportional to 190,178.99, 262,449.97 and 104,136.54
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Solution
The fourth proportional to 190,178.99, 262,449.97 and 104,136.54 is: 143,710.05
Step by Step Solution
- Step 1: Write the proportion equation
190,178.99 : 262,449.97 = 104,136.54 : x - Step 2: Convert to fraction form
190,178.99/262,449.97 = 104,136.54/x - Step 3: Cross multiply
190,178.99x = 262,449.97 × 104,136.54 - Step 4: Simplify right side
190,178.99x = 27,330,631,140.14 - Step 5: Solve for x
x = 27,330,631,140.14/190,178.99 - Step 6: Final answer
x = 143,710.05
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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.