Finding the Fourth Proportional to 203,277.18, 304,792.74 and 90,936.48
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Solution
The fourth proportional to 203,277.18, 304,792.74 and 90,936.48 is: 136,349.68
Step by Step Solution
- Step 1: Write the proportion equation
203,277.18 : 304,792.74 = 90,936.48 : x - Step 2: Convert to fraction form
203,277.18/304,792.74 = 90,936.48/x - Step 3: Cross multiply
203,277.18x = 304,792.74 × 90,936.48 - Step 4: Simplify right side
203,277.18x = 27,716,778,905.16 - Step 5: Solve for x
x = 27,716,778,905.16/203,277.18 - Step 6: Final answer
x = 136,349.68
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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.