Finding the Fourth Proportional to 259,824.70, 389,737.06 and 207,336.70
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Solution
The fourth proportional to 259,824.70, 389,737.06 and 207,336.70 is: 311,005.06
Step by Step Solution
- Step 1: Write the proportion equation
259,824.70 : 389,737.06 = 207,336.70 : x - Step 2: Convert to fraction form
259,824.70/389,737.06 = 207,336.70/x - Step 3: Cross multiply
259,824.70x = 389,737.06 × 207,336.70 - Step 4: Simplify right side
259,824.70x = 80,806,795,888.10 - Step 5: Solve for x
x = 80,806,795,888.10/259,824.70 - Step 6: Final answer
x = 311,005.06
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1.5x scale
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.