Finding the Fourth Proportional to 418,716.42, 577,827.05 and 227,733.00
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Solution
The fourth proportional to 418,716.42, 577,827.05 and 227,733.00 is: 314,270.66
Step by Step Solution
- Step 1: Write the proportion equation
418,716.42 : 577,827.05 = 227,733.00 : x - Step 2: Convert to fraction form
418,716.42/577,827.05 = 227,733.00/x - Step 3: Cross multiply
418,716.42x = 577,827.05 × 227,733.00 - Step 4: Simplify right side
418,716.42x = 131,590,285,553.13 - Step 5: Solve for x
x = 131,590,285,553.13/418,716.42 - Step 6: Final answer
x = 314,270.66
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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.