Finding the Fourth Proportional to 148,510.99, 204,944.94 and 80,527.84
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Solution
The fourth proportional to 148,510.99, 204,944.94 and 80,527.84 is: 111,128.30
Step by Step Solution
- Step 1: Write the proportion equation
148,510.99 : 204,944.94 = 80,527.84 : x - Step 2: Convert to fraction form
148,510.99/204,944.94 = 80,527.84/x - Step 3: Cross multiply
148,510.99x = 204,944.94 × 80,527.84 - Step 4: Simplify right side
148,510.99x = 16,503,773,337.13 - Step 5: Solve for x
x = 16,503,773,337.13/148,510.99 - Step 6: Final answer
x = 111,128.30
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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.