Finding the Fourth Proportional to 303,903.63, 455,874.87 and 116,915.13
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Solution
The fourth proportional to 303,903.63, 455,874.87 and 116,915.13 is: 175,380.17
Step by Step Solution
- Step 1: Write the proportion equation
303,903.63 : 455,874.87 = 116,915.13 : x - Step 2: Convert to fraction form
303,903.63/455,874.87 = 116,915.13/x - Step 3: Cross multiply
303,903.63x = 455,874.87 × 116,915.13 - Step 4: Simplify right side
303,903.63x = 53,298,669,689.78 - Step 5: Solve for x
x = 53,298,669,689.78/303,903.63 - Step 6: Final answer
x = 175,380.17
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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.