Finding the Fourth Proportional to 345,207.51, 517,638.12 and 201,159.99
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Solution
The fourth proportional to 345,207.51, 517,638.12 and 201,159.99 is: 301,639.09
Step by Step Solution
- Step 1: Write the proportion equation
345,207.51 : 517,638.12 = 201,159.99 : x - Step 2: Convert to fraction form
345,207.51/517,638.12 = 201,159.99/x - Step 3: Cross multiply
345,207.51x = 517,638.12 × 201,159.99 - Step 4: Simplify right side
345,207.51x = 104,128,079,042.82 - Step 5: Solve for x
x = 104,128,079,042.82/345,207.51 - Step 6: Final answer
x = 301,639.09
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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.