Finding the Fourth Proportional to 214,541.30, 296,081.05 and 123,901.09
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Solution
The fourth proportional to 214,541.30, 296,081.05 and 123,901.09 is: 170,991.62
Step by Step Solution
- Step 1: Write the proportion equation
214,541.30 : 296,081.05 = 123,901.09 : x - Step 2: Convert to fraction form
214,541.30/296,081.05 = 123,901.09/x - Step 3: Cross multiply
214,541.30x = 296,081.05 × 123,901.09 - Step 4: Simplify right side
214,541.30x = 36,684,764,823.34 - Step 5: Solve for x
x = 36,684,764,823.34/214,541.30 - Step 6: Final answer
x = 170,991.62
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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.