Finding the Fourth Proportional to 356,653.68, 535,212.36 and 154,447.26
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Solution
The fourth proportional to 356,653.68, 535,212.36 and 154,447.26 is: 231,771.28
Step by Step Solution
- Step 1: Write the proportion equation
356,653.68 : 535,212.36 = 154,447.26 : x - Step 2: Convert to fraction form
356,653.68/535,212.36 = 154,447.26/x - Step 3: Cross multiply
356,653.68x = 535,212.36 × 154,447.26 - Step 4: Simplify right side
356,653.68x = 82,662,080,513.09 - Step 5: Solve for x
x = 82,662,080,513.09/356,653.68 - Step 6: Final answer
x = 231,771.28
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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.