Finding the Fourth Proportional to 242,715.20, 364,072.80 and 201,243.20
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Solution
The fourth proportional to 242,715.20, 364,072.80 and 201,243.20 is: 301,864.80
Step by Step Solution
- Step 1: Write the proportion equation
242,715.20 : 364,072.80 = 201,243.20 : x - Step 2: Convert to fraction form
242,715.20/364,072.80 = 201,243.20/x - Step 3: Cross multiply
242,715.20x = 364,072.80 × 201,243.20 - Step 4: Simplify right side
242,715.20x = 73,267,175,304.96 - Step 5: Solve for x
x = 73,267,175,304.96/242,715.20 - Step 6: Final answer
x = 301,864.80
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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.