Finding the Fourth Proportional to 656,604.05, 985,349.23 and 257,195.27
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Solution
The fourth proportional to 656,604.05, 985,349.23 and 257,195.27 is: 385,966.50
Step by Step Solution
- Step 1: Write the proportion equation
656,604.05 : 985,349.23 = 257,195.27 : x - Step 2: Convert to fraction form
656,604.05/985,349.23 = 257,195.27/x - Step 3: Cross multiply
656,604.05x = 985,349.23 × 257,195.27 - Step 4: Simplify right side
656,604.05x = 253,427,163,074.53 - Step 5: Solve for x
x = 253,427,163,074.53/656,604.05 - Step 6: Final answer
x = 385,966.50
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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.