Finding the Fourth Proportional to 448,536.09, 618,957.25 and 254,938.80
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Solution
The fourth proportional to 448,536.09, 618,957.25 and 254,938.80 is: 351,802.72
Step by Step Solution
- Step 1: Write the proportion equation
448,536.09 : 618,957.25 = 254,938.80 : x - Step 2: Convert to fraction form
448,536.09/618,957.25 = 254,938.80/x - Step 3: Cross multiply
448,536.09x = 618,957.25 × 254,938.80 - Step 4: Simplify right side
448,536.09x = 157,796,218,566.30 - Step 5: Solve for x
x = 157,796,218,566.30/448,536.09 - Step 6: Final answer
x = 351,802.72
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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.