Finding the Fourth Proportional to 354,790.48, 489,607.34 and 193,644.12
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Solution
The fourth proportional to 354,790.48, 489,607.34 and 193,644.12 is: 267,226.96
Step by Step Solution
- Step 1: Write the proportion equation
354,790.48 : 489,607.34 = 193,644.12 : x - Step 2: Convert to fraction form
354,790.48/489,607.34 = 193,644.12/x - Step 3: Cross multiply
354,790.48x = 489,607.34 × 193,644.12 - Step 4: Simplify right side
354,790.48x = 94,809,580,613.61 - Step 5: Solve for x
x = 94,809,580,613.61/354,790.48 - Step 6: Final answer
x = 267,226.96
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1.5x scale
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.