Finding the Fourth Proportional to 329,198.24, 452,548.40 and 283,088.79
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Solution
The fourth proportional to 329,198.24, 452,548.40 and 283,088.79 is: 389,161.80
Step by Step Solution
- Step 1: Write the proportion equation
329,198.24 : 452,548.40 = 283,088.79 : x - Step 2: Convert to fraction form
329,198.24/452,548.40 = 283,088.79/x - Step 3: Cross multiply
329,198.24x = 452,548.40 × 283,088.79 - Step 4: Simplify right side
329,198.24x = 128,111,379,149.37 - Step 5: Solve for x
x = 128,111,379,149.37/329,198.24 - Step 6: Final answer
x = 389,161.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.