Finding the Fourth Proportional to 210,268.22, 290,167.60 and 119,623.99
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Solution
The fourth proportional to 210,268.22, 290,167.60 and 119,623.99 is: 165,079.65
Step by Step Solution
- Step 1: Write the proportion equation
210,268.22 : 290,167.60 = 119,623.99 : x - Step 2: Convert to fraction form
210,268.22/290,167.60 = 119,623.99/x - Step 3: Cross multiply
210,268.22x = 290,167.60 × 119,623.99 - Step 4: Simplify right side
210,268.22x = 34,711,004,031.77 - Step 5: Solve for x
x = 34,711,004,031.77/210,268.22 - Step 6: Final answer
x = 165,079.65
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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.