Finding the Fourth Proportional to 303,591.20, 455,492.50 and 135,231.08
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Solution
The fourth proportional to 303,591.20, 455,492.50 and 135,231.08 is: 202,893.70
Step by Step Solution
- Step 1: Write the proportion equation
303,591.20 : 455,492.50 = 135,231.08 : x - Step 2: Convert to fraction form
303,591.20/455,492.50 = 135,231.08/x - Step 3: Cross multiply
303,591.20x = 455,492.50 × 135,231.08 - Step 4: Simplify right side
303,591.20x = 61,596,742,706.90 - Step 5: Solve for x
x = 61,596,742,706.90/303,591.20 - Step 6: Final answer
x = 202,893.70
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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.