Finding the Fourth Proportional to 418,446.55, 577,449.43 and 227,464.75
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Solution
The fourth proportional to 418,446.55, 577,449.43 and 227,464.75 is: 313,897.65
Step by Step Solution
- Step 1: Write the proportion equation
418,446.55 : 577,449.43 = 227,464.75 : x - Step 2: Convert to fraction form
418,446.55/577,449.43 = 227,464.75/x - Step 3: Cross multiply
418,446.55x = 577,449.43 × 227,464.75 - Step 4: Simplify right side
418,446.55x = 131,349,390,232.59 - Step 5: Solve for x
x = 131,349,390,232.59/418,446.55 - Step 6: Final answer
x = 313,897.65
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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.