Finding the Fourth Proportional to 372,910.19, 559,643.87 and 252,682.07
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Solution
The fourth proportional to 372,910.19, 559,643.87 and 252,682.07 is: 379,211.87
Step by Step Solution
- Step 1: Write the proportion equation
372,910.19 : 559,643.87 = 252,682.07 : x - Step 2: Convert to fraction form
372,910.19/559,643.87 = 252,682.07/x - Step 3: Cross multiply
372,910.19x = 559,643.87 × 252,682.07 - Step 4: Simplify right side
372,910.19x = 141,411,969,367.90 - Step 5: Solve for x
x = 141,411,969,367.90/372,910.19 - Step 6: Final answer
x = 379,211.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.