Finding the Fourth Proportional to 106,811.70, 160,203.65 and 27,932.01
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Solution
The fourth proportional to 106,811.70, 160,203.65 and 27,932.01 is: 41,894.38
Step by Step Solution
- Step 1: Write the proportion equation
106,811.70 : 160,203.65 = 27,932.01 : x - Step 2: Convert to fraction form
106,811.70/160,203.65 = 27,932.01/x - Step 3: Cross multiply
106,811.70x = 160,203.65 × 27,932.01 - Step 4: Simplify right side
106,811.70x = 4,474,809,814.18 - Step 5: Solve for x
x = 4,474,809,814.18/106,811.70 - Step 6: Final answer
x = 41,894.38
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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.