Finding the Fourth Proportional to 149,199.60, 224,616.18 and 136,135.92
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Solution
The fourth proportional to 149,199.60, 224,616.18 and 136,135.92 is: 204,949.14
Step by Step Solution
- Step 1: Write the proportion equation
149,199.60 : 224,616.18 = 136,135.92 : x - Step 2: Convert to fraction form
149,199.60/224,616.18 = 136,135.92/x - Step 3: Cross multiply
149,199.60x = 224,616.18 × 136,135.92 - Step 4: Simplify right side
149,199.60x = 30,578,330,311.19 - Step 5: Solve for x
x = 30,578,330,311.19/149,199.60 - Step 6: Final answer
x = 204,949.14
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.