Finding the Fourth Proportional to 135,125.16, 202,716.72 and 40,362.80
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Solution
The fourth proportional to 135,125.16, 202,716.72 and 40,362.80 is: 60,552.86
Step by Step Solution
- Step 1: Write the proportion equation
135,125.16 : 202,716.72 = 40,362.80 : x - Step 2: Convert to fraction form
135,125.16/202,716.72 = 40,362.80/x - Step 3: Cross multiply
135,125.16x = 202,716.72 × 40,362.80 - Step 4: Simplify right side
135,125.16x = 8,182,214,426.02 - Step 5: Solve for x
x = 8,182,214,426.02/135,125.16 - Step 6: Final answer
x = 60,552.86
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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.