Finding the Fourth Proportional to 354,725.28, 489,518.64 and 193,577.04
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Solution
The fourth proportional to 354,725.28, 489,518.64 and 193,577.04 is: 267,135.09
Step by Step Solution
- Step 1: Write the proportion equation
354,725.28 : 489,518.64 = 193,577.04 : x - Step 2: Convert to fraction form
354,725.28/489,518.64 = 193,577.04/x - Step 3: Cross multiply
354,725.28x = 489,518.64 × 193,577.04 - Step 4: Simplify right side
354,725.28x = 94,759,569,356.03 - Step 5: Solve for x
x = 94,759,569,356.03/354,725.28 - Step 6: Final answer
x = 267,135.09
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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.