Finding the Fourth Proportional to 345,108.12, 476,175.99 and 217,709.88
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Solution
The fourth proportional to 345,108.12, 476,175.99 and 217,709.88 is: 300,393.44
Step by Step Solution
- Step 1: Write the proportion equation
345,108.12 : 476,175.99 = 217,709.88 : x - Step 2: Convert to fraction form
345,108.12/476,175.99 = 217,709.88/x - Step 3: Cross multiply
345,108.12x = 476,175.99 × 217,709.88 - Step 4: Simplify right side
345,108.12x = 103,668,215,260.90 - Step 5: Solve for x
x = 103,668,215,260.90/345,108.12 - Step 6: Final answer
x = 300,393.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.