Finding the Fourth Proportional to 253,544.91, 349,891.38 and 146,114.01
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Solution
The fourth proportional to 253,544.91, 349,891.38 and 146,114.01 is: 201,636.99
Step by Step Solution
- Step 1: Write the proportion equation
253,544.91 : 349,891.38 = 146,114.01 : x - Step 2: Convert to fraction form
253,544.91/349,891.38 = 146,114.01/x - Step 3: Cross multiply
253,544.91x = 349,891.38 × 146,114.01 - Step 4: Simplify right side
253,544.91x = 51,124,032,596.23 - Step 5: Solve for x
x = 51,124,032,596.23/253,544.91 - Step 6: Final answer
x = 201,636.99
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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.