Finding the Fourth Proportional to 205,726.12, 283,888.66 and 115,066.38
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Solution
The fourth proportional to 205,726.12, 283,888.66 and 115,066.38 is: 158,784.12
Step by Step Solution
- Step 1: Write the proportion equation
205,726.12 : 283,888.66 = 115,066.38 : x - Step 2: Convert to fraction form
205,726.12/283,888.66 = 115,066.38/x - Step 3: Cross multiply
205,726.12x = 283,888.66 × 115,066.38 - Step 4: Simplify right side
205,726.12x = 32,666,040,429.25 - Step 5: Solve for x
x = 32,666,040,429.25/205,726.12 - Step 6: Final answer
x = 158,784.12
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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.