Finding the Fourth Proportional to 540,049.68, 745,274.79 and 298,327.19
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Solution
The fourth proportional to 540,049.68, 745,274.79 and 298,327.19 is: 411,694.96
Step by Step Solution
- Step 1: Write the proportion equation
540,049.68 : 745,274.79 = 298,327.19 : x - Step 2: Convert to fraction form
540,049.68/745,274.79 = 298,327.19/x - Step 3: Cross multiply
540,049.68x = 745,274.79 × 298,327.19 - Step 4: Simplify right side
540,049.68x = 222,335,730,152.17 - Step 5: Solve for x
x = 222,335,730,152.17/540,049.68 - Step 6: Final answer
x = 411,694.96
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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.