Finding the Fourth Proportional to 102,465.88, 153,698.68 and 27,586.11
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Solution
The fourth proportional to 102,465.88, 153,698.68 and 27,586.11 is: 41,379.12
Step by Step Solution
- Step 1: Write the proportion equation
102,465.88 : 153,698.68 = 27,586.11 : x - Step 2: Convert to fraction form
102,465.88/153,698.68 = 27,586.11/x - Step 3: Cross multiply
102,465.88x = 153,698.68 × 27,586.11 - Step 4: Simplify right side
102,465.88x = 4,239,947,786.91 - Step 5: Solve for x
x = 4,239,947,786.91/102,465.88 - Step 6: Final answer
x = 41,379.12
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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.