Finding the Fourth Proportional to 234,294.36, 323,326.80 and 126,865.68
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Solution
The fourth proportional to 234,294.36, 323,326.80 and 126,865.68 is: 175,074.95
Step by Step Solution
- Step 1: Write the proportion equation
234,294.36 : 323,326.80 = 126,865.68 : x - Step 2: Convert to fraction form
234,294.36/323,326.80 = 126,865.68/x - Step 3: Cross multiply
234,294.36x = 323,326.80 × 126,865.68 - Step 4: Simplify right side
234,294.36x = 41,019,074,344.22 - Step 5: Solve for x
x = 41,019,074,344.22/234,294.36 - Step 6: Final answer
x = 175,074.95
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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.