Finding the Fourth Proportional to 354,828.42, 489,674.82 and 193,692.08
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Solution
The fourth proportional to 354,828.42, 489,674.82 and 193,692.08 is: 267,301.40
Step by Step Solution
- Step 1: Write the proportion equation
354,828.42 : 489,674.82 = 193,692.08 : x - Step 2: Convert to fraction form
354,828.42/489,674.82 = 193,692.08/x - Step 3: Cross multiply
354,828.42x = 489,674.82 × 193,692.08 - Step 4: Simplify right side
354,828.42x = 94,846,131,961.05 - Step 5: Solve for x
x = 94,846,131,961.05/354,828.42 - Step 6: Final answer
x = 267,301.40
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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.