Finding the Fourth Proportional to 208,703.19, 313,113.24 and 68,560.23
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Solution
The fourth proportional to 208,703.19, 313,113.24 and 68,560.23 is: 102,859.55
Step by Step Solution
- Step 1: Write the proportion equation
208,703.19 : 313,113.24 = 68,560.23 : x - Step 2: Convert to fraction form
208,703.19/313,113.24 = 68,560.23/x - Step 3: Cross multiply
208,703.19x = 313,113.24 × 68,560.23 - Step 4: Simplify right side
208,703.19x = 21,467,115,750.45 - Step 5: Solve for x
x = 21,467,115,750.45/208,703.19 - Step 6: Final answer
x = 102,859.55
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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.