Finding the Fourth Proportional to 201,988.99, 302,986.11 and 96,783.34
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Solution
The fourth proportional to 201,988.99, 302,986.11 and 96,783.34 is: 145,176.27
Step by Step Solution
- Step 1: Write the proportion equation
201,988.99 : 302,986.11 = 96,783.34 : x - Step 2: Convert to fraction form
201,988.99/302,986.11 = 96,783.34/x - Step 3: Cross multiply
201,988.99x = 302,986.11 × 96,783.34 - Step 4: Simplify right side
201,988.99x = 29,324,007,699.41 - Step 5: Solve for x
x = 29,324,007,699.41/201,988.99 - Step 6: Final answer
x = 145,176.27
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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.