Finding the Fourth Proportional to 183,508.20, 253,251.36 and 102,961.26
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Solution
The fourth proportional to 183,508.20, 253,251.36 and 102,961.26 is: 142,092.17
Step by Step Solution
- Step 1: Write the proportion equation
183,508.20 : 253,251.36 = 102,961.26 : x - Step 2: Convert to fraction form
183,508.20/253,251.36 = 102,961.26/x - Step 3: Cross multiply
183,508.20x = 253,251.36 × 102,961.26 - Step 4: Simplify right side
183,508.20x = 26,075,079,122.31 - Step 5: Solve for x
x = 26,075,079,122.31/183,508.20 - Step 6: Final answer
x = 142,092.17
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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.