Finding the Fourth Proportional to 316,568.66, 436,861.77 and 171,370.73
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Solution
The fourth proportional to 316,568.66, 436,861.77 and 171,370.73 is: 236,489.99
Step by Step Solution
- Step 1: Write the proportion equation
316,568.66 : 436,861.77 = 171,370.73 : x - Step 2: Convert to fraction form
316,568.66/436,861.77 = 171,370.73/x - Step 3: Cross multiply
316,568.66x = 436,861.77 × 171,370.73 - Step 4: Simplify right side
316,568.66x = 74,865,319,887.91 - Step 5: Solve for x
x = 74,865,319,887.91/316,568.66 - Step 6: Final answer
x = 236,489.99
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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.