Finding the Fourth Proportional to 321,957.35, 444,278.90 and 178,706.12
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Solution
The fourth proportional to 321,957.35, 444,278.90 and 178,706.12 is: 246,602.09
Step by Step Solution
- Step 1: Write the proportion equation
321,957.35 : 444,278.90 = 178,706.12 : x - Step 2: Convert to fraction form
321,957.35/444,278.90 = 178,706.12/x - Step 3: Cross multiply
321,957.35x = 444,278.90 × 178,706.12 - Step 4: Simplify right side
321,957.35x = 79,395,356,642.24 - Step 5: Solve for x
x = 79,395,356,642.24/321,957.35 - Step 6: Final answer
x = 246,602.09
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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.