Finding the Fourth Proportional to 354,593.21, 489,339.78 and 193,451.64
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Solution
The fourth proportional to 354,593.21, 489,339.78 and 193,451.64 is: 266,963.89
Step by Step Solution
- Step 1: Write the proportion equation
354,593.21 : 489,339.78 = 193,451.64 : x - Step 2: Convert to fraction form
354,593.21/489,339.78 = 193,451.64/x - Step 3: Cross multiply
354,593.21x = 489,339.78 × 193,451.64 - Step 4: Simplify right side
354,593.21x = 94,663,582,958.24 - Step 5: Solve for x
x = 94,663,582,958.24/354,593.21 - Step 6: Final answer
x = 266,963.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.