Finding the Fourth Proportional to 135,282.96, 202,996.43 and 76,122.79
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Solution
The fourth proportional to 135,282.96, 202,996.43 and 76,122.79 is: 114,224.69
Step by Step Solution
- Step 1: Write the proportion equation
135,282.96 : 202,996.43 = 76,122.79 : x - Step 2: Convert to fraction form
135,282.96/202,996.43 = 76,122.79/x - Step 3: Cross multiply
135,282.96x = 202,996.43 × 76,122.79 - Step 4: Simplify right side
135,282.96x = 15,452,654,009.00 - Step 5: Solve for x
x = 15,452,654,009.00/135,282.96 - Step 6: Final answer
x = 114,224.69
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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.