Finding the Fourth Proportional to 201,885.53, 302,440.23 and 112,869.09
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Solution
The fourth proportional to 201,885.53, 302,440.23 and 112,869.09 is: 169,086.68
Step by Step Solution
- Step 1: Write the proportion equation
201,885.53 : 302,440.23 = 112,869.09 : x - Step 2: Convert to fraction form
201,885.53/302,440.23 = 112,869.09/x - Step 3: Cross multiply
201,885.53x = 302,440.23 × 112,869.09 - Step 4: Simplify right side
201,885.53x = 34,136,153,539.49 - Step 5: Solve for x
x = 34,136,153,539.49/201,885.53 - Step 6: Final answer
x = 169,086.68
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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.