Finding the Fourth Proportional to 214,993.24, 322,489.86 and 81,935.08
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Solution
The fourth proportional to 214,993.24, 322,489.86 and 81,935.08 is: 122,902.62
Step by Step Solution
- Step 1: Write the proportion equation
214,993.24 : 322,489.86 = 81,935.08 : x - Step 2: Convert to fraction form
214,993.24/322,489.86 = 81,935.08/x - Step 3: Cross multiply
214,993.24x = 322,489.86 × 81,935.08 - Step 4: Simplify right side
214,993.24x = 26,423,231,364.81 - Step 5: Solve for x
x = 26,423,231,364.81/214,993.24 - Step 6: Final answer
x = 122,902.62
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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.