Finding the Fourth Proportional to 167,006.21, 230,493.19 and 105,757.99
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Solution
The fourth proportional to 167,006.21, 230,493.19 and 105,757.99 is: 145,961.62
Step by Step Solution
- Step 1: Write the proportion equation
167,006.21 : 230,493.19 = 105,757.99 : x - Step 2: Convert to fraction form
167,006.21/230,493.19 = 105,757.99/x - Step 3: Cross multiply
167,006.21x = 230,493.19 × 105,757.99 - Step 4: Simplify right side
167,006.21x = 24,376,496,483.09 - Step 5: Solve for x
x = 24,376,496,483.09/167,006.21 - Step 6: Final answer
x = 145,961.62
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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.