Finding the Fourth Proportional to 355,040.08, 489,963.94 and 193,893.82
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Solution
The fourth proportional to 355,040.08, 489,963.94 and 193,893.82 is: 267,578.18
Step by Step Solution
- Step 1: Write the proportion equation
355,040.08 : 489,963.94 = 193,893.82 : x - Step 2: Convert to fraction form
355,040.08/489,963.94 = 193,893.82/x - Step 3: Cross multiply
355,040.08x = 489,963.94 × 193,893.82 - Step 4: Simplify right side
355,040.08x = 95,000,978,279.21 - Step 5: Solve for x
x = 95,000,978,279.21/355,040.08 - Step 6: Final answer
x = 267,578.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.