Finding the Fourth Proportional to 99,321.77, 148,966.69 and 27,257.84
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Solution
The fourth proportional to 99,321.77, 148,966.69 and 27,257.84 is: 40,882.38
Step by Step Solution
- Step 1: Write the proportion equation
99,321.77 : 148,966.69 = 27,257.84 : x - Step 2: Convert to fraction form
99,321.77/148,966.69 = 27,257.84/x - Step 3: Cross multiply
99,321.77x = 148,966.69 × 27,257.84 - Step 4: Simplify right side
99,321.77x = 4,060,510,207.59 - Step 5: Solve for x
x = 4,060,510,207.59/99,321.77 - Step 6: Final answer
x = 40,882.38
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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.