Finding the Fourth Proportional to 665,754.99, 998,639.76 and 192,444.45
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Solution
The fourth proportional to 665,754.99, 998,639.76 and 192,444.45 is: 288,668.78
Step by Step Solution
- Step 1: Write the proportion equation
665,754.99 : 998,639.76 = 192,444.45 : x - Step 2: Convert to fraction form
665,754.99/998,639.76 = 192,444.45/x - Step 3: Cross multiply
665,754.99x = 998,639.76 × 192,444.45 - Step 4: Simplify right side
665,754.99x = 192,182,679,361.33 - Step 5: Solve for x
x = 192,182,679,361.33/665,754.99 - Step 6: Final answer
x = 288,668.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.