Finding the Fourth Proportional to 414,319.97, 571,791.48 and 253,205.84
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Solution
The fourth proportional to 414,319.97, 571,791.48 and 253,205.84 is: 349,442.35
Step by Step Solution
- Step 1: Write the proportion equation
414,319.97 : 571,791.48 = 253,205.84 : x - Step 2: Convert to fraction form
414,319.97/571,791.48 = 253,205.84/x - Step 3: Cross multiply
414,319.97x = 571,791.48 × 253,205.84 - Step 4: Simplify right side
414,319.97x = 144,780,941,998.24 - Step 5: Solve for x
x = 144,780,941,998.24/414,319.97 - Step 6: Final answer
x = 349,442.35
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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.