Finding the Fourth Proportional to 354,511.42, 489,406.36 and 273,757.66
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Solution
The fourth proportional to 354,511.42, 489,406.36 and 273,757.66 is: 377,925.03
Step by Step Solution
- Step 1: Write the proportion equation
354,511.42 : 489,406.36 = 273,757.66 : x - Step 2: Convert to fraction form
354,511.42/489,406.36 = 273,757.66/x - Step 3: Cross multiply
354,511.42x = 489,406.36 × 273,757.66 - Step 4: Simplify right side
354,511.42x = 133,978,737,994.81 - Step 5: Solve for x
x = 133,978,737,994.81/354,511.42 - Step 6: Final answer
x = 377,925.03
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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.