Finding the Fourth Proportional to 276,192.77, 381,088.88 and 161,449.23
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Solution
The fourth proportional to 276,192.77, 381,088.88 and 161,449.23 is: 222,766.53
Step by Step Solution
- Step 1: Write the proportion equation
276,192.77 : 381,088.88 = 161,449.23 : x - Step 2: Convert to fraction form
276,192.77/381,088.88 = 161,449.23/x - Step 3: Cross multiply
276,192.77x = 381,088.88 × 161,449.23 - Step 4: Simplify right side
276,192.77x = 61,526,503,795.32 - Step 5: Solve for x
x = 61,526,503,795.32/276,192.77 - Step 6: Final answer
x = 222,766.53
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1.5x scale
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.