Finding the Fourth Proportional to 326,073.40, 489,110.10 and 236,843.80
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Solution
The fourth proportional to 326,073.40, 489,110.10 and 236,843.80 is: 355,265.70
Step by Step Solution
- Step 1: Write the proportion equation
326,073.40 : 489,110.10 = 236,843.80 : x - Step 2: Convert to fraction form
326,073.40/489,110.10 = 236,843.80/x - Step 3: Cross multiply
326,073.40x = 489,110.10 × 236,843.80 - Step 4: Simplify right side
326,073.40x = 115,842,694,702.38 - Step 5: Solve for x
x = 115,842,694,702.38/326,073.40 - Step 6: Final answer
x = 355,265.70
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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.