Finding the Fourth Proportional to 181,545.36, 272,206.94 and 74,896.31
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Solution
The fourth proportional to 181,545.36, 272,206.94 and 74,896.31 is: 112,298.62
Step by Step Solution
- Step 1: Write the proportion equation
181,545.36 : 272,206.94 = 74,896.31 : x - Step 2: Convert to fraction form
181,545.36/272,206.94 = 74,896.31/x - Step 3: Cross multiply
181,545.36x = 272,206.94 × 74,896.31 - Step 4: Simplify right side
181,545.36x = 20,387,293,626.88 - Step 5: Solve for x
x = 20,387,293,626.88/181,545.36 - Step 6: Final answer
x = 112,298.62
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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.