Finding the Fourth Proportional to 228,596.99, 315,433.95 and 131,804.48
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Solution
The fourth proportional to 228,596.99, 315,433.95 and 131,804.48 is: 181,872.95
Step by Step Solution
- Step 1: Write the proportion equation
228,596.99 : 315,433.95 = 131,804.48 : x - Step 2: Convert to fraction form
228,596.99/315,433.95 = 131,804.48/x - Step 3: Cross multiply
228,596.99x = 315,433.95 × 131,804.48 - Step 4: Simplify right side
228,596.99x = 41,575,608,048.41 - Step 5: Solve for x
x = 41,575,608,048.41/228,596.99 - Step 6: Final answer
x = 181,872.95
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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.