Finding the Fourth Proportional to 228,563.56, 315,418.62 and 133,135.84
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Solution
The fourth proportional to 228,563.56, 315,418.62 and 133,135.84 is: 183,727.99
Step by Step Solution
- Step 1: Write the proportion equation
228,563.56 : 315,418.62 = 133,135.84 : x - Step 2: Convert to fraction form
228,563.56/315,418.62 = 133,135.84/x - Step 3: Cross multiply
228,563.56x = 315,418.62 × 133,135.84 - Step 4: Simplify right side
228,563.56x = 41,993,522,925.34 - Step 5: Solve for x
x = 41,993,522,925.34/228,563.56 - Step 6: Final answer
x = 183,727.99
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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.