Finding the Fourth Proportional to 234,048.39, 322,986.49 and 126,618.09
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Solution
The fourth proportional to 234,048.39, 322,986.49 and 126,618.09 is: 174,732.81
Step by Step Solution
- Step 1: Write the proportion equation
234,048.39 : 322,986.49 = 126,618.09 : x - Step 2: Convert to fraction form
234,048.39/322,986.49 = 126,618.09/x - Step 3: Cross multiply
234,048.39x = 322,986.49 × 126,618.09 - Step 4: Simplify right side
234,048.39x = 40,895,932,459.60 - Step 5: Solve for x
x = 40,895,932,459.60/234,048.39 - Step 6: Final answer
x = 174,732.81
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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.