Finding the Fourth Proportional to 190,047.96, 284,875.11 and 156,414.63
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Solution
The fourth proportional to 190,047.96, 284,875.11 and 156,414.63 is: 234,459.95
Step by Step Solution
- Step 1: Write the proportion equation
190,047.96 : 284,875.11 = 156,414.63 : x - Step 2: Convert to fraction form
190,047.96/284,875.11 = 156,414.63/x - Step 3: Cross multiply
190,047.96x = 284,875.11 × 156,414.63 - Step 4: Simplify right side
190,047.96x = 44,558,635,639.05 - Step 5: Solve for x
x = 44,558,635,639.05/190,047.96 - Step 6: Final answer
x = 234,459.95
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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.