Finding the Fourth Proportional to 418,333.18, 577,087.26 and 273,223.98
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Solution
The fourth proportional to 418,333.18, 577,087.26 and 273,223.98 is: 376,910.28
Step by Step Solution
- Step 1: Write the proportion equation
418,333.18 : 577,087.26 = 273,223.98 : x - Step 2: Convert to fraction form
418,333.18/577,087.26 = 273,223.98/x - Step 3: Cross multiply
418,333.18x = 577,087.26 × 273,223.98 - Step 4: Simplify right side
418,333.18x = 157,674,076,618.38 - Step 5: Solve for x
x = 157,674,076,618.38/418,333.18 - Step 6: Final answer
x = 376,910.28
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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.