Finding the Fourth Proportional to 236,914.23, 326,940.84 and 129,484.23
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Solution
The fourth proportional to 236,914.23, 326,940.84 and 129,484.23 is: 178,687.80
Step by Step Solution
- Step 1: Write the proportion equation
236,914.23 : 326,940.84 = 129,484.23 : x - Step 2: Convert to fraction form
236,914.23/326,940.84 = 129,484.23/x - Step 3: Cross multiply
236,914.23x = 326,940.84 × 129,484.23 - Step 4: Simplify right side
236,914.23x = 42,333,682,922.95 - Step 5: Solve for x
x = 42,333,682,922.95/236,914.23 - Step 6: Final answer
x = 178,687.80
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1.5x scale
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.