Finding the Fourth Proportional to 201,997.80, 302,996.70 and 89,677.80
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Solution
The fourth proportional to 201,997.80, 302,996.70 and 89,677.80 is: 134,516.70
Step by Step Solution
- Step 1: Write the proportion equation
201,997.80 : 302,996.70 = 89,677.80 : x - Step 2: Convert to fraction form
201,997.80/302,996.70 = 89,677.80/x - Step 3: Cross multiply
201,997.80x = 302,996.70 × 89,677.80 - Step 4: Simplify right side
201,997.80x = 27,172,077,463.26 - Step 5: Solve for x
x = 27,172,077,463.26/201,997.80 - Step 6: Final answer
x = 134,516.70
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1.5x scale
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.