Finding the Fourth Proportional to 326,599.29, 489,929.75 and 126,934.96
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Solution
The fourth proportional to 326,599.29, 489,929.75 and 126,934.96 is: 190,414.42
Step by Step Solution
- Step 1: Write the proportion equation
326,599.29 : 489,929.75 = 126,934.96 : x - Step 2: Convert to fraction form
326,599.29/489,929.75 = 126,934.96/x - Step 3: Cross multiply
326,599.29x = 489,929.75 × 126,934.96 - Step 4: Simplify right side
326,599.29x = 62,189,213,219.06 - Step 5: Solve for x
x = 62,189,213,219.06/326,599.29 - Step 6: Final answer
x = 190,414.42
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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.