Finding the Fourth Proportional to 170,629.74, 235,457.89 and 102,634.09
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Solution
The fourth proportional to 170,629.74, 235,457.89 and 102,634.09 is: 141,628.33
Step by Step Solution
- Step 1: Write the proportion equation
170,629.74 : 235,457.89 = 102,634.09 : x - Step 2: Convert to fraction form
170,629.74/235,457.89 = 102,634.09/x - Step 3: Cross multiply
170,629.74x = 235,457.89 × 102,634.09 - Step 4: Simplify right side
170,629.74x = 24,166,005,428.24 - Step 5: Solve for x
x = 24,166,005,428.24/170,629.74 - Step 6: Final answer
x = 141,628.33
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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.