Finding the Fourth Proportional to 210,704.63, 316,057.24 and 86,045.63
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Solution
The fourth proportional to 210,704.63, 316,057.24 and 86,045.63 is: 129,068.56
Step by Step Solution
- Step 1: Write the proportion equation
210,704.63 : 316,057.24 = 86,045.63 : x - Step 2: Convert to fraction form
210,704.63/316,057.24 = 86,045.63/x - Step 3: Cross multiply
210,704.63x = 316,057.24 × 86,045.63 - Step 4: Simplify right side
210,704.63x = 27,195,342,859.13 - Step 5: Solve for x
x = 27,195,342,859.13/210,704.63 - Step 6: Final answer
x = 129,068.56
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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.