Finding the Fourth Proportional to 135,294.55, 202,943.18 and 60,418.49
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Solution
The fourth proportional to 135,294.55, 202,943.18 and 60,418.49 is: 90,628.34
Step by Step Solution
- Step 1: Write the proportion equation
135,294.55 : 202,943.18 = 60,418.49 : x - Step 2: Convert to fraction form
135,294.55/202,943.18 = 60,418.49/x - Step 3: Cross multiply
135,294.55x = 202,943.18 × 60,418.49 - Step 4: Simplify right side
135,294.55x = 12,261,519,627.73 - Step 5: Solve for x
x = 12,261,519,627.73/135,294.55 - Step 6: Final answer
x = 90,628.34
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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.