Finding the Fourth Proportional to 259,320.98, 389,129.01 and 207,062.54
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Solution
The fourth proportional to 259,320.98, 389,129.01 and 207,062.54 is: 310,711.62
Step by Step Solution
- Step 1: Write the proportion equation
259,320.98 : 389,129.01 = 207,062.54 : x - Step 2: Convert to fraction form
259,320.98/389,129.01 = 207,062.54/x - Step 3: Cross multiply
259,320.98x = 389,129.01 × 207,062.54 - Step 4: Simplify right side
259,320.98x = 80,574,041,198.29 - Step 5: Solve for x
x = 80,574,041,198.29/259,320.98 - Step 6: Final answer
x = 310,711.62
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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.