Finding the Fourth Proportional to 204,782.26, 307,113.18 and 71,637.70
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Solution
The fourth proportional to 204,782.26, 307,113.18 and 71,637.70 is: 107,435.49
Step by Step Solution
- Step 1: Write the proportion equation
204,782.26 : 307,113.18 = 71,637.70 : x - Step 2: Convert to fraction form
204,782.26/307,113.18 = 71,637.70/x - Step 3: Cross multiply
204,782.26x = 307,113.18 × 71,637.70 - Step 4: Simplify right side
204,782.26x = 22,000,881,854.89 - Step 5: Solve for x
x = 22,000,881,854.89/204,782.26 - Step 6: Final answer
x = 107,435.49
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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.