Finding the Fourth Proportional to 418,260.36, 577,202.82 and 227,273.78
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Solution
The fourth proportional to 418,260.36, 577,202.82 and 227,273.78 is: 313,639.72
Step by Step Solution
- Step 1: Write the proportion equation
418,260.36 : 577,202.82 = 227,273.78 : x - Step 2: Convert to fraction form
418,260.36/577,202.82 = 227,273.78/x - Step 3: Cross multiply
418,260.36x = 577,202.82 × 227,273.78 - Step 4: Simplify right side
418,260.36x = 131,183,063,842.05 - Step 5: Solve for x
x = 131,183,063,842.05/418,260.36 - Step 6: Final answer
x = 313,639.72
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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.