Finding the Fourth Proportional to 211,808.38, 292,295.56 and 116,316.66
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Solution
The fourth proportional to 211,808.38, 292,295.56 and 116,316.66 is: 160,516.99
Step by Step Solution
- Step 1: Write the proportion equation
211,808.38 : 292,295.56 = 116,316.66 : x - Step 2: Convert to fraction form
211,808.38/292,295.56 = 116,316.66/x - Step 3: Cross multiply
211,808.38x = 292,295.56 × 116,316.66 - Step 4: Simplify right side
211,808.38x = 33,998,843,272.03 - Step 5: Solve for x
x = 33,998,843,272.03/211,808.38 - Step 6: Final answer
x = 160,516.99
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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.