Finding the Fourth Proportional to 201,817.80, 302,726.70 and 135,462.60
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Solution
The fourth proportional to 201,817.80, 302,726.70 and 135,462.60 is: 203,193.90
Step by Step Solution
- Step 1: Write the proportion equation
201,817.80 : 302,726.70 = 135,462.60 : x - Step 2: Convert to fraction form
201,817.80/302,726.70 = 135,462.60/x - Step 3: Cross multiply
201,817.80x = 302,726.70 × 135,462.60 - Step 4: Simplify right side
201,817.80x = 41,008,145,871.42 - Step 5: Solve for x
x = 41,008,145,871.42/201,817.80 - Step 6: Final answer
x = 203,193.90
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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.