Finding the Fourth Proportional to 108,610.63, 149,876.47 and 63,295.99
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Solution
The fourth proportional to 108,610.63, 149,876.47 and 63,295.99 is: 87,344.85
Step by Step Solution
- Step 1: Write the proportion equation
108,610.63 : 149,876.47 = 63,295.99 : x - Step 2: Convert to fraction form
108,610.63/149,876.47 = 63,295.99/x - Step 3: Cross multiply
108,610.63x = 149,876.47 × 63,295.99 - Step 4: Simplify right side
108,610.63x = 9,486,579,546.36 - Step 5: Solve for x
x = 9,486,579,546.36/108,610.63 - Step 6: Final answer
x = 87,344.85
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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.