Finding the Fourth Proportional to 354,769.47, 489,578.04 and 193,623.21
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Solution
The fourth proportional to 354,769.47, 489,578.04 and 193,623.21 is: 267,197.94
Step by Step Solution
- Step 1: Write the proportion equation
354,769.47 : 489,578.04 = 193,623.21 : x - Step 2: Convert to fraction form
354,769.47/489,578.04 = 193,623.21/x - Step 3: Cross multiply
354,769.47x = 489,578.04 × 193,623.21 - Step 4: Simplify right side
354,769.47x = 94,793,671,650.31 - Step 5: Solve for x
x = 94,793,671,650.31/354,769.47 - Step 6: Final answer
x = 267,197.94
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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.