Finding the Fourth Proportional to 236,736.74, 326,694.76 and 129,306.84
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Solution
The fourth proportional to 236,736.74, 326,694.76 and 129,306.84 is: 178,442.38
Step by Step Solution
- Step 1: Write the proportion equation
236,736.74 : 326,694.76 = 129,306.84 : x - Step 2: Convert to fraction form
236,736.74/326,694.76 = 129,306.84/x - Step 3: Cross multiply
236,736.74x = 326,694.76 × 129,306.84 - Step 4: Simplify right side
236,736.74x = 42,243,867,060.16 - Step 5: Solve for x
x = 42,243,867,060.16/236,736.74 - Step 6: Final answer
x = 178,442.38
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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.