Finding the Fourth Proportional to 259,363.44, 388,889.40 and 101,403.68
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Solution
The fourth proportional to 259,363.44, 388,889.40 and 101,403.68 is: 152,044.62
Step by Step Solution
- Step 1: Write the proportion equation
259,363.44 : 388,889.40 = 101,403.68 : x - Step 2: Convert to fraction form
259,363.44/388,889.40 = 101,403.68/x - Step 3: Cross multiply
259,363.44x = 388,889.40 × 101,403.68 - Step 4: Simplify right side
259,363.44x = 39,434,816,272.99 - Step 5: Solve for x
x = 39,434,816,272.99/259,363.44 - Step 6: Final answer
x = 152,044.62
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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.