Finding the Fourth Proportional to 161,837.01, 223,344.81 and 90,216.99
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Solution
The fourth proportional to 161,837.01, 223,344.81 and 90,216.99 is: 124,504.87
Step by Step Solution
- Step 1: Write the proportion equation
161,837.01 : 223,344.81 = 90,216.99 : x - Step 2: Convert to fraction form
161,837.01/223,344.81 = 90,216.99/x - Step 3: Cross multiply
161,837.01x = 223,344.81 × 90,216.99 - Step 4: Simplify right side
161,837.01x = 20,149,496,490.32 - Step 5: Solve for x
x = 20,149,496,490.32/161,837.01 - Step 6: Final answer
x = 124,504.87
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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.