Finding the Fourth Proportional to 135,290.02, 202,877.94 and 40,533.68
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Solution
The fourth proportional to 135,290.02, 202,877.94 and 40,533.68 is: 60,783.42
Step by Step Solution
- Step 1: Write the proportion equation
135,290.02 : 202,877.94 = 40,533.68 : x - Step 2: Convert to fraction form
135,290.02/202,877.94 = 40,533.68/x - Step 3: Cross multiply
135,290.02x = 202,877.94 × 40,533.68 - Step 4: Simplify right side
135,290.02x = 8,223,389,600.35 - Step 5: Solve for x
x = 8,223,389,600.35/135,290.02 - Step 6: Final answer
x = 60,783.42
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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.