Finding the Fourth Proportional to 196,657.60, 295,205.10 and 121,862.20
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Solution
The fourth proportional to 196,657.60, 295,205.10 and 121,862.20 is: 182,928.82
Step by Step Solution
- Step 1: Write the proportion equation
196,657.60 : 295,205.10 = 121,862.20 : x - Step 2: Convert to fraction form
196,657.60/295,205.10 = 121,862.20/x - Step 3: Cross multiply
196,657.60x = 295,205.10 × 121,862.20 - Step 4: Simplify right side
196,657.60x = 35,974,342,937.22 - Step 5: Solve for x
x = 35,974,342,937.22/196,657.60 - Step 6: Final answer
x = 182,928.82
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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.