Finding the Fourth Proportional to 316,879.13, 437,293.20 and 182,743.13
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Solution
The fourth proportional to 316,879.13, 437,293.20 and 182,743.13 is: 252,185.52
Step by Step Solution
- Step 1: Write the proportion equation
316,879.13 : 437,293.20 = 182,743.13 : x - Step 2: Convert to fraction form
316,879.13/437,293.20 = 182,743.13/x - Step 3: Cross multiply
316,879.13x = 437,293.20 × 182,743.13 - Step 4: Simplify right side
316,879.13x = 79,912,325,909.25 - Step 5: Solve for x
x = 79,912,325,909.25/316,879.13 - Step 6: Final answer
x = 252,185.52
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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.