Finding the Fourth Proportional to 211,120.05, 316,700.87 and 61,361.65
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Solution
The fourth proportional to 211,120.05, 316,700.87 and 61,361.65 is: 92,048.51
Step by Step Solution
- Step 1: Write the proportion equation
211,120.05 : 316,700.87 = 61,361.65 : x - Step 2: Convert to fraction form
211,120.05/316,700.87 = 61,361.65/x - Step 3: Cross multiply
211,120.05x = 316,700.87 × 61,361.65 - Step 4: Simplify right side
211,120.05x = 19,433,286,841.08 - Step 5: Solve for x
x = 19,433,286,841.08/211,120.05 - Step 6: Final answer
x = 92,048.51
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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.