Finding the Fourth Proportional to 162,520.18, 243,741.99 and 91,473.05
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Solution
The fourth proportional to 162,520.18, 243,741.99 and 91,473.05 is: 137,188.03
Step by Step Solution
- Step 1: Write the proportion equation
162,520.18 : 243,741.99 = 91,473.05 : x - Step 2: Convert to fraction form
162,520.18/243,741.99 = 91,473.05/x - Step 3: Cross multiply
162,520.18x = 243,741.99 × 91,473.05 - Step 4: Simplify right side
162,520.18x = 22,295,823,238.37 - Step 5: Solve for x
x = 22,295,823,238.37/162,520.18 - Step 6: Final answer
x = 137,188.03
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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.