Finding the Fourth Proportional to 135,241.70, 202,862.55 and 36,745.70
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Solution
The fourth proportional to 135,241.70, 202,862.55 and 36,745.70 is: 55,118.55
Step by Step Solution
- Step 1: Write the proportion equation
135,241.70 : 202,862.55 = 36,745.70 : x - Step 2: Convert to fraction form
135,241.70/202,862.55 = 36,745.70/x - Step 3: Cross multiply
135,241.70x = 202,862.55 × 36,745.70 - Step 4: Simplify right side
135,241.70x = 7,454,326,403.54 - Step 5: Solve for x
x = 7,454,326,403.54/135,241.70 - Step 6: Final answer
x = 55,118.55
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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.