Finding the Fourth Proportional to 201,638.57, 302,644.79 and 101,869.01
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Solution
The fourth proportional to 201,638.57, 302,644.79 and 101,869.01 is: 152,897.95
Step by Step Solution
- Step 1: Write the proportion equation
201,638.57 : 302,644.79 = 101,869.01 : x - Step 2: Convert to fraction form
201,638.57/302,644.79 = 101,869.01/x - Step 3: Cross multiply
201,638.57x = 302,644.79 × 101,869.01 - Step 4: Simplify right side
201,638.57x = 30,830,123,116.39 - Step 5: Solve for x
x = 30,830,123,116.39/201,638.57 - Step 6: Final answer
x = 152,897.95
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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.