Finding the Fourth Proportional to 545,906.36, 753,340.58 and 304,183.80
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Solution
The fourth proportional to 545,906.36, 753,340.58 and 304,183.80 is: 419,767.96
Step by Step Solution
- Step 1: Write the proportion equation
545,906.36 : 753,340.58 = 304,183.80 : x - Step 2: Convert to fraction form
545,906.36/753,340.58 = 304,183.80/x - Step 3: Cross multiply
545,906.36x = 753,340.58 × 304,183.80 - Step 4: Simplify right side
545,906.36x = 229,154,000,318.60 - Step 5: Solve for x
x = 229,154,000,318.60/545,906.36 - Step 6: Final answer
x = 419,767.96
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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.