Finding the Fourth Proportional to 239,668.06, 330,861.77 and 149,053.21
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Solution
The fourth proportional to 239,668.06, 330,861.77 and 149,053.21 is: 205,767.96
Step by Step Solution
- Step 1: Write the proportion equation
239,668.06 : 330,861.77 = 149,053.21 : x - Step 2: Convert to fraction form
239,668.06/330,861.77 = 149,053.21/x - Step 3: Cross multiply
239,668.06x = 330,861.77 × 149,053.21 - Step 4: Simplify right side
239,668.06x = 49,316,008,884.78 - Step 5: Solve for x
x = 49,316,008,884.78/239,668.06 - Step 6: Final answer
x = 205,767.96
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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.