Finding the Fourth Proportional to 168,457.80, 232,465.66 and 91,975.48
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Solution
The fourth proportional to 168,457.80, 232,465.66 and 91,975.48 is: 126,922.83
Step by Step Solution
- Step 1: Write the proportion equation
168,457.80 : 232,465.66 = 91,975.48 : x - Step 2: Convert to fraction form
168,457.80/232,465.66 = 91,975.48/x - Step 3: Cross multiply
168,457.80x = 232,465.66 × 91,975.48 - Step 4: Simplify right side
168,457.80x = 21,381,140,202.14 - Step 5: Solve for x
x = 21,381,140,202.14/168,457.80 - Step 6: Final answer
x = 126,922.83
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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.