Finding the Fourth Proportional to 418,651.24, 577,742.58 and 227,666.44
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Solution
The fourth proportional to 418,651.24, 577,742.58 and 227,666.44 is: 314,181.79
Step by Step Solution
- Step 1: Write the proportion equation
418,651.24 : 577,742.58 = 227,666.44 : x - Step 2: Convert to fraction form
418,651.24/577,742.58 = 227,666.44/x - Step 3: Cross multiply
418,651.24x = 577,742.58 × 227,666.44 - Step 4: Simplify right side
418,651.24x = 131,532,596,425.02 - Step 5: Solve for x
x = 131,532,596,425.02/418,651.24 - Step 6: Final answer
x = 314,181.79
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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.