Finding the Fourth Proportional to 326,852.30, 490,306.71 and 90,194.99
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Solution
The fourth proportional to 326,852.30, 490,306.71 and 90,194.99 is: 135,300.28
Step by Step Solution
- Step 1: Write the proportion equation
326,852.30 : 490,306.71 = 90,194.99 : x - Step 2: Convert to fraction form
326,852.30/490,306.71 = 90,194.99/x - Step 3: Cross multiply
326,852.30x = 490,306.71 × 90,194.99 - Step 4: Simplify right side
326,852.30x = 44,223,208,805.38 - Step 5: Solve for x
x = 44,223,208,805.38/326,852.30 - Step 6: Final answer
x = 135,300.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.