Finding the Fourth Proportional to 148,288.26, 204,637.98 and 80,305.34
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Solution
The fourth proportional to 148,288.26, 204,637.98 and 80,305.34 is: 110,821.47
Step by Step Solution
- Step 1: Write the proportion equation
148,288.26 : 204,637.98 = 80,305.34 : x - Step 2: Convert to fraction form
148,288.26/204,637.98 = 80,305.34/x - Step 3: Cross multiply
148,288.26x = 204,637.98 × 80,305.34 - Step 4: Simplify right side
148,288.26x = 16,433,522,049.22 - Step 5: Solve for x
x = 16,433,522,049.22/148,288.26 - Step 6: Final answer
x = 110,821.47
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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.