Finding the Fourth Proportional to 335,409.49, 503,117.74 and 98,756.65
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Solution
The fourth proportional to 335,409.49, 503,117.74 and 98,756.65 is: 148,136.01
Step by Step Solution
- Step 1: Write the proportion equation
335,409.49 : 503,117.74 = 98,756.65 : x - Step 2: Convert to fraction form
335,409.49/503,117.74 = 98,756.65/x - Step 3: Cross multiply
335,409.49x = 503,117.74 × 98,756.65 - Step 4: Simplify right side
335,409.49x = 49,686,222,557.97 - Step 5: Solve for x
x = 49,686,222,557.97/335,409.49 - Step 6: Final answer
x = 148,136.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.