Finding the Fourth Proportional to 218,292.66, 327,564.75 and 91,923.06
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Solution
The fourth proportional to 218,292.66, 327,564.75 and 91,923.06 is: 137,937.55
Step by Step Solution
- Step 1: Write the proportion equation
218,292.66 : 327,564.75 = 91,923.06 : x - Step 2: Convert to fraction form
218,292.66/327,564.75 = 91,923.06/x - Step 3: Cross multiply
218,292.66x = 327,564.75 × 91,923.06 - Step 4: Simplify right side
218,292.66x = 30,110,754,168.14 - Step 5: Solve for x
x = 30,110,754,168.14/218,292.66 - Step 6: Final answer
x = 137,937.55
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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.