Finding the Fourth Proportional to 329,261.09, 454,379.36 and 186,021.09
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Solution
The fourth proportional to 329,261.09, 454,379.36 and 186,021.09 is: 256,708.57
Step by Step Solution
- Step 1: Write the proportion equation
329,261.09 : 454,379.36 = 186,021.09 : x - Step 2: Convert to fraction form
329,261.09/454,379.36 = 186,021.09/x - Step 3: Cross multiply
329,261.09x = 454,379.36 × 186,021.09 - Step 4: Simplify right side
329,261.09x = 84,524,142,890.60 - Step 5: Solve for x
x = 84,524,142,890.60/329,261.09 - Step 6: Final answer
x = 256,708.57
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1.5x scale
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.