Finding the Fourth Proportional to 256,751.68, 354,197.92 and 166,136.88
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Solution
The fourth proportional to 256,751.68, 354,197.92 and 166,136.88 is: 229,191.64
Step by Step Solution
- Step 1: Write the proportion equation
256,751.68 : 354,197.92 = 166,136.88 : x - Step 2: Convert to fraction form
256,751.68/354,197.92 = 166,136.88/x - Step 3: Cross multiply
256,751.68x = 354,197.92 × 166,136.88 - Step 4: Simplify right side
256,751.68x = 58,845,337,331.29 - Step 5: Solve for x
x = 58,845,337,331.29/256,751.68 - Step 6: Final answer
x = 229,191.64
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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.