Finding the Fourth Proportional to 168,464.70, 232,479.99 and 91,981.26
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Solution
The fourth proportional to 168,464.70, 232,479.99 and 91,981.26 is: 126,933.43
Step by Step Solution
- Step 1: Write the proportion equation
168,464.70 : 232,479.99 = 91,981.26 : x - Step 2: Convert to fraction form
168,464.70/232,479.99 = 91,981.26/x - Step 3: Cross multiply
168,464.70x = 232,479.99 × 91,981.26 - Step 4: Simplify right side
168,464.70x = 21,383,802,404.99 - Step 5: Solve for x
x = 21,383,802,404.99/168,464.70 - Step 6: Final answer
x = 126,933.43
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1.5x scale
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.