Finding the Fourth Proportional to 418,505.62, 577,541.82 and 227,523.10
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Solution
The fourth proportional to 418,505.62, 577,541.82 and 227,523.10 is: 313,984.09
Step by Step Solution
- Step 1: Write the proportion equation
418,505.62 : 577,541.82 = 227,523.10 : x - Step 2: Convert to fraction form
418,505.62/577,541.82 = 227,523.10/x - Step 3: Cross multiply
418,505.62x = 577,541.82 × 227,523.10 - Step 4: Simplify right side
418,505.62x = 131,404,105,266.04 - Step 5: Solve for x
x = 131,404,105,266.04/418,505.62 - Step 6: Final answer
x = 313,984.09
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1.5x scale
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.