Finding the Fourth Proportional to 108,608.83, 149,877.75 and 63,283.99
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Solution
The fourth proportional to 108,608.83, 149,877.75 and 63,283.99 is: 87,330.49
Step by Step Solution
- Step 1: Write the proportion equation
108,608.83 : 149,877.75 = 63,283.99 : x - Step 2: Convert to fraction form
108,608.83/149,877.75 = 63,283.99/x - Step 3: Cross multiply
108,608.83x = 149,877.75 × 63,283.99 - Step 4: Simplify right side
108,608.83x = 9,484,862,032.22 - Step 5: Solve for x
x = 9,484,862,032.22/108,608.83 - Step 6: Final answer
x = 87,330.49
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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.