Finding the Fourth Proportional to 150,369.84, 225,484.11 and 87,207.90
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Solution
The fourth proportional to 150,369.84, 225,484.11 and 87,207.90 is: 130,770.88
Step by Step Solution
- Step 1: Write the proportion equation
150,369.84 : 225,484.11 = 87,207.90 : x - Step 2: Convert to fraction form
150,369.84/225,484.11 = 87,207.90/x - Step 3: Cross multiply
150,369.84x = 225,484.11 × 87,207.90 - Step 4: Simplify right side
150,369.84x = 19,663,995,716.47 - Step 5: Solve for x
x = 19,663,995,716.47/150,369.84 - Step 6: Final answer
x = 130,770.88
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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.