Finding the Fourth Proportional to 418,394.79, 577,388.62 and 227,408.64
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Solution
The fourth proportional to 418,394.79, 577,388.62 and 227,408.64 is: 313,825.99
Step by Step Solution
- Step 1: Write the proportion equation
418,394.79 : 577,388.62 = 227,408.64 : x - Step 2: Convert to fraction form
418,394.79/577,388.62 = 227,408.64/x - Step 3: Cross multiply
418,394.79x = 577,388.62 × 227,408.64 - Step 4: Simplify right side
418,394.79x = 131,303,160,825.68 - Step 5: Solve for x
x = 131,303,160,825.68/418,394.79 - Step 6: Final answer
x = 313,825.99
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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.