Finding the Fourth Proportional to 192,376.08, 288,672.84 and 103,627.44
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Solution
The fourth proportional to 192,376.08, 288,672.84 and 103,627.44 is: 155,499.72
Step by Step Solution
- Step 1: Write the proportion equation
192,376.08 : 288,672.84 = 103,627.44 : x - Step 2: Convert to fraction form
192,376.08/288,672.84 = 103,627.44/x - Step 3: Cross multiply
192,376.08x = 288,672.84 × 103,627.44 - Step 4: Simplify right side
192,376.08x = 29,914,427,406.73 - Step 5: Solve for x
x = 29,914,427,406.73/192,376.08 - Step 6: Final answer
x = 155,499.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.