Finding the Fourth Proportional to 181,805.28, 272,726.58 and 69,579.90
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Solution
The fourth proportional to 181,805.28, 272,726.58 and 69,579.90 is: 104,376.99
Step by Step Solution
- Step 1: Write the proportion equation
181,805.28 : 272,726.58 = 69,579.90 : x - Step 2: Convert to fraction form
181,805.28/272,726.58 = 69,579.90/x - Step 3: Cross multiply
181,805.28x = 272,726.58 × 69,579.90 - Step 4: Simplify right side
181,805.28x = 18,976,288,163.74 - Step 5: Solve for x
x = 18,976,288,163.74/181,805.28 - Step 6: Final answer
x = 104,376.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.