Finding the Fourth Proportional to 211,798.14, 292,284.79 and 115,001.95
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Solution
The fourth proportional to 211,798.14, 292,284.79 and 115,001.95 is: 158,704.51
Step by Step Solution
- Step 1: Write the proportion equation
211,798.14 : 292,284.79 = 115,001.95 : x - Step 2: Convert to fraction form
211,798.14/292,284.79 = 115,001.95/x - Step 3: Cross multiply
211,798.14x = 292,284.79 × 115,001.95 - Step 4: Simplify right side
211,798.14x = 33,613,320,218.38 - Step 5: Solve for x
x = 33,613,320,218.38/211,798.14 - Step 6: Final answer
x = 158,704.51
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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.