Finding the Fourth Proportional to 106,489.10, 159,733.50 and 27,603.40
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Solution
The fourth proportional to 106,489.10, 159,733.50 and 27,603.40 is: 41,405.06
Step by Step Solution
- Step 1: Write the proportion equation
106,489.10 : 159,733.50 = 27,603.40 : x - Step 2: Convert to fraction form
106,489.10/159,733.50 = 27,603.40/x - Step 3: Cross multiply
106,489.10x = 159,733.50 × 27,603.40 - Step 4: Simplify right side
106,489.10x = 4,409,187,693.90 - Step 5: Solve for x
x = 4,409,187,693.90/106,489.10 - Step 6: Final answer
x = 41,405.06
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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.