Finding the Fourth Proportional to 236,768.19, 326,734.72 and 129,338.70
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Solution
The fourth proportional to 236,768.19, 326,734.72 and 129,338.70 is: 178,484.47
Step by Step Solution
- Step 1: Write the proportion equation
236,768.19 : 326,734.72 = 129,338.70 : x - Step 2: Convert to fraction form
236,768.19/326,734.72 = 129,338.70/x - Step 3: Cross multiply
236,768.19x = 326,734.72 × 129,338.70 - Step 4: Simplify right side
236,768.19x = 42,259,443,929.66 - Step 5: Solve for x
x = 42,259,443,929.66/236,768.19 - Step 6: Final answer
x = 178,484.47
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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.