Finding the Fourth Proportional to 218,188.35, 327,217.73 and 84,991.95
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Solution
The fourth proportional to 218,188.35, 327,217.73 and 84,991.95 is: 127,462.68
Step by Step Solution
- Step 1: Write the proportion equation
218,188.35 : 327,217.73 = 84,991.95 : x - Step 2: Convert to fraction form
218,188.35/327,217.73 = 84,991.95/x - Step 3: Cross multiply
218,188.35x = 327,217.73 × 84,991.95 - Step 4: Simplify right side
218,188.35x = 27,810,872,522.31 - Step 5: Solve for x
x = 27,810,872,522.31/218,188.35 - Step 6: Final answer
x = 127,462.68
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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.