Finding the Fourth Proportional to 326,328.08, 489,433.76 and 207,646.88
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Solution
The fourth proportional to 326,328.08, 489,433.76 and 207,646.88 is: 311,433.18
Step by Step Solution
- Step 1: Write the proportion equation
326,328.08 : 489,433.76 = 207,646.88 : x - Step 2: Convert to fraction form
326,328.08/489,433.76 = 207,646.88/x - Step 3: Cross multiply
326,328.08x = 489,433.76 × 207,646.88 - Step 4: Simplify right side
326,328.08x = 101,629,393,230.67 - Step 5: Solve for x
x = 101,629,393,230.67/326,328.08 - Step 6: Final answer
x = 311,433.18
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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.