Finding the Fourth Proportional to 161,268.50, 222,545.10 and 89,646.99
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Solution
The fourth proportional to 161,268.50, 222,545.10 and 89,646.99 is: 123,709.82
Step by Step Solution
- Step 1: Write the proportion equation
161,268.50 : 222,545.10 = 89,646.99 : x - Step 2: Convert to fraction form
161,268.50/222,545.10 = 89,646.99/x - Step 3: Cross multiply
161,268.50x = 222,545.10 × 89,646.99 - Step 4: Simplify right side
161,268.50x = 19,950,497,855.88 - Step 5: Solve for x
x = 19,950,497,855.88/161,268.50 - Step 6: Final answer
x = 123,709.82
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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.