Finding the Fourth Proportional to 403,567.57, 605,436.74 and 133,680.44
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Solution
The fourth proportional to 403,567.57, 605,436.74 and 133,680.44 is: 200,548.94
Step by Step Solution
- Step 1: Write the proportion equation
403,567.57 : 605,436.74 = 133,680.44 : x - Step 2: Convert to fraction form
403,567.57/605,436.74 = 133,680.44/x - Step 3: Cross multiply
403,567.57x = 605,436.74 × 133,680.44 - Step 4: Simplify right side
403,567.57x = 80,935,049,795.37 - Step 5: Solve for x
x = 80,935,049,795.37/403,567.57 - Step 6: Final answer
x = 200,548.94
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1.5x scale
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.