Finding the Fourth Proportional to 189,374.12, 284,439.60 and 118,422.96
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Solution
The fourth proportional to 189,374.12, 284,439.60 and 118,422.96 is: 177,871.08
Step by Step Solution
- Step 1: Write the proportion equation
189,374.12 : 284,439.60 = 118,422.96 : x - Step 2: Convert to fraction form
189,374.12/284,439.60 = 118,422.96/x - Step 3: Cross multiply
189,374.12x = 284,439.60 × 118,422.96 - Step 4: Simplify right side
189,374.12x = 33,684,179,373.22 - Step 5: Solve for x
x = 33,684,179,373.22/189,374.12 - Step 6: Final answer
x = 177,871.08
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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.