Finding the Fourth Proportional to 211,382.73, 291,726.56 and 115,908.03
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Solution
The fourth proportional to 211,382.73, 291,726.56 and 115,908.03 is: 159,963.17
Step by Step Solution
- Step 1: Write the proportion equation
211,382.73 : 291,726.56 = 115,908.03 : x - Step 2: Convert to fraction form
211,382.73/291,726.56 = 115,908.03/x - Step 3: Cross multiply
211,382.73x = 291,726.56 × 115,908.03 - Step 4: Simplify right side
211,382.73x = 33,813,451,158.05 - Step 5: Solve for x
x = 33,813,451,158.05/211,382.73 - Step 6: Final answer
x = 159,963.17
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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.