Finding the Fourth Proportional to 306,066.08, 422,369.60 and 168,248.23
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Solution
The fourth proportional to 306,066.08, 422,369.60 and 168,248.23 is: 232,181.68
Step by Step Solution
- Step 1: Write the proportion equation
306,066.08 : 422,369.60 = 168,248.23 : x - Step 2: Convert to fraction form
306,066.08/422,369.60 = 168,248.23/x - Step 3: Cross multiply
306,066.08x = 422,369.60 × 168,248.23 - Step 4: Simplify right side
306,066.08x = 71,062,937,605.81 - Step 5: Solve for x
x = 71,062,937,605.81/306,066.08 - Step 6: Final answer
x = 232,181.68
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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.