Finding the Fourth Proportional to 151,761.66, 209,312.67 and 97,318.99
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Solution
The fourth proportional to 151,761.66, 209,312.67 and 97,318.99 is: 134,224.27
Step by Step Solution
- Step 1: Write the proportion equation
151,761.66 : 209,312.67 = 97,318.99 : x - Step 2: Convert to fraction form
151,761.66/209,312.67 = 97,318.99/x - Step 3: Cross multiply
151,761.66x = 209,312.67 × 97,318.99 - Step 4: Simplify right side
151,761.66x = 20,370,097,638.60 - Step 5: Solve for x
x = 20,370,097,638.60/151,761.66 - Step 6: Final answer
x = 134,224.27
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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.