Finding the Fourth Proportional to 247,621.21, 341,715.96 and 134,443.96
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Solution
The fourth proportional to 247,621.21, 341,715.96 and 134,443.96 is: 185,531.95
Step by Step Solution
- Step 1: Write the proportion equation
247,621.21 : 341,715.96 = 134,443.96 : x - Step 2: Convert to fraction form
247,621.21/341,715.96 = 134,443.96/x - Step 3: Cross multiply
247,621.21x = 341,715.96 × 134,443.96 - Step 4: Simplify right side
247,621.21x = 45,941,646,857.60 - Step 5: Solve for x
x = 45,941,646,857.60/247,621.21 - Step 6: Final answer
x = 185,531.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.