Finding the Fourth Proportional to 144,377.36, 199,265.36 and 83,983.02
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Solution
The fourth proportional to 144,377.36, 199,265.36 and 83,983.02 is: 115,910.88
Step by Step Solution
- Step 1: Write the proportion equation
144,377.36 : 199,265.36 = 83,983.02 : x - Step 2: Convert to fraction form
144,377.36/199,265.36 = 83,983.02/x - Step 3: Cross multiply
144,377.36x = 199,265.36 × 83,983.02 - Step 4: Simplify right side
144,377.36x = 16,734,906,714.19 - Step 5: Solve for x
x = 16,734,906,714.19/144,377.36 - Step 6: Final answer
x = 115,910.88
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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.