Finding the Fourth Proportional to 276,541.48, 381,677.70 and 161,813.44
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Solution
The fourth proportional to 276,541.48, 381,677.70 and 161,813.44 is: 223,332.07
Step by Step Solution
- Step 1: Write the proportion equation
276,541.48 : 381,677.70 = 161,813.44 : x - Step 2: Convert to fraction form
276,541.48/381,677.70 = 161,813.44/x - Step 3: Cross multiply
276,541.48x = 381,677.70 × 161,813.44 - Step 4: Simplify right side
276,541.48x = 61,760,581,608.29 - Step 5: Solve for x
x = 61,760,581,608.29/276,541.48 - Step 6: Final answer
x = 223,332.07
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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.