Finding the Fourth Proportional to 228,563.38, 315,418.36 and 133,135.66
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Solution
The fourth proportional to 228,563.38, 315,418.36 and 133,135.66 is: 183,727.73
Step by Step Solution
- Step 1: Write the proportion equation
228,563.38 : 315,418.36 = 133,135.66 : x - Step 2: Convert to fraction form
228,563.38/315,418.36 = 133,135.66/x - Step 3: Cross multiply
228,563.38x = 315,418.36 × 133,135.66 - Step 4: Simplify right side
228,563.38x = 41,993,429,957.63 - Step 5: Solve for x
x = 41,993,429,957.63/228,563.38 - Step 6: Final answer
x = 183,727.73
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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.