Finding the Fourth Proportional to 147,092.80, 202,991.52 and 80,029.12
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Solution
The fourth proportional to 147,092.80, 202,991.52 and 80,029.12 is: 110,442.07
Step by Step Solution
- Step 1: Write the proportion equation
147,092.80 : 202,991.52 = 80,029.12 : x - Step 2: Convert to fraction form
147,092.80/202,991.52 = 80,029.12/x - Step 3: Cross multiply
147,092.80x = 202,991.52 × 80,029.12 - Step 4: Simplify right side
147,092.80x = 16,245,232,713.06 - Step 5: Solve for x
x = 16,245,232,713.06/147,092.80 - Step 6: Final answer
x = 110,442.07
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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.