Finding the Fourth Proportional to 316,942.81, 437,380.23 and 171,752.62
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Solution
The fourth proportional to 316,942.81, 437,380.23 and 171,752.62 is: 237,018.15
Step by Step Solution
- Step 1: Write the proportion equation
316,942.81 : 437,380.23 = 171,752.62 : x - Step 2: Convert to fraction form
316,942.81/437,380.23 = 171,752.62/x - Step 3: Cross multiply
316,942.81x = 437,380.23 × 171,752.62 - Step 4: Simplify right side
316,942.81x = 75,121,198,701.18 - Step 5: Solve for x
x = 75,121,198,701.18/316,942.81 - Step 6: Final answer
x = 237,018.15
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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.