Finding the Fourth Proportional to 326,896.44, 489,431.12 and 176,598.28
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Solution
The fourth proportional to 326,896.44, 489,431.12 and 176,598.28 is: 264,403.90
Step by Step Solution
- Step 1: Write the proportion equation
326,896.44 : 489,431.12 = 176,598.28 : x - Step 2: Convert to fraction form
326,896.44/489,431.12 = 176,598.28/x - Step 3: Cross multiply
326,896.44x = 489,431.12 × 176,598.28 - Step 4: Simplify right side
326,896.44x = 86,432,693,970.47 - Step 5: Solve for x
x = 86,432,693,970.47/326,896.44 - Step 6: Final answer
x = 264,403.90
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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.