Finding the Fourth Proportional to 148,288.89, 204,638.87 and 80,305.99
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Solution
The fourth proportional to 148,288.89, 204,638.87 and 80,305.99 is: 110,822.37
Step by Step Solution
- Step 1: Write the proportion equation
148,288.89 : 204,638.87 = 80,305.99 : x - Step 2: Convert to fraction form
148,288.89/204,638.87 = 80,305.99/x - Step 3: Cross multiply
148,288.89x = 204,638.87 × 80,305.99 - Step 4: Simplify right side
148,288.89x = 16,433,726,148.70 - Step 5: Solve for x
x = 16,433,726,148.70/148,288.89 - Step 6: Final answer
x = 110,822.37
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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.