Finding the Fourth Proportional to 135,584.16, 203,485.32 and 76,476.84
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Solution
The fourth proportional to 135,584.16, 203,485.32 and 76,476.84 is: 114,776.79
Step by Step Solution
- Step 1: Write the proportion equation
135,584.16 : 203,485.32 = 76,476.84 : x - Step 2: Convert to fraction form
135,584.16/203,485.32 = 76,476.84/x - Step 3: Cross multiply
135,584.16x = 203,485.32 × 76,476.84 - Step 4: Simplify right side
135,584.16x = 15,561,914,259.99 - Step 5: Solve for x
x = 15,561,914,259.99/135,584.16 - Step 6: Final answer
x = 114,776.79
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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.