Finding the Fourth Proportional to 345,816.09, 477,225.26 and 192,854.44
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Solution
The fourth proportional to 345,816.09, 477,225.26 and 192,854.44 is: 266,138.59
Step by Step Solution
- Step 1: Write the proportion equation
345,816.09 : 477,225.26 = 192,854.44 : x - Step 2: Convert to fraction form
345,816.09/477,225.26 = 192,854.44/x - Step 3: Cross multiply
345,816.09x = 477,225.26 × 192,854.44 - Step 4: Simplify right side
345,816.09x = 92,035,006,920.76 - Step 5: Solve for x
x = 92,035,006,920.76/345,816.09 - Step 6: Final answer
x = 266,138.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.