Finding the Fourth Proportional to 149,360.92, 206,099.91 and 84,806.62
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Solution
The fourth proportional to 149,360.92, 206,099.91 and 84,806.62 is: 117,022.82
Step by Step Solution
- Step 1: Write the proportion equation
149,360.92 : 206,099.91 = 84,806.62 : x - Step 2: Convert to fraction form
149,360.92/206,099.91 = 84,806.62/x - Step 3: Cross multiply
149,360.92x = 206,099.91 × 84,806.62 - Step 4: Simplify right side
149,360.92x = 17,478,636,749.40 - Step 5: Solve for x
x = 17,478,636,749.40/149,360.92 - Step 6: Final answer
x = 117,022.82
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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.