Finding the Fourth Proportional to 213,935.91, 295,231.55 and 118,448.75
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Solution
The fourth proportional to 213,935.91, 295,231.55 and 118,448.75 is: 163,459.28
Step by Step Solution
- Step 1: Write the proportion equation
213,935.91 : 295,231.55 = 118,448.75 : x - Step 2: Convert to fraction form
213,935.91/295,231.55 = 118,448.75/x - Step 3: Cross multiply
213,935.91x = 295,231.55 × 118,448.75 - Step 4: Simplify right side
213,935.91x = 34,969,809,092.26 - Step 5: Solve for x
x = 34,969,809,092.26/213,935.91 - Step 6: Final answer
x = 163,459.28
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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.