Finding the Fourth Proportional to 343,311.40, 515,428.80 and 201,302.20
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Solution
The fourth proportional to 343,311.40, 515,428.80 and 201,302.20 is: 302,224.02
Step by Step Solution
- Step 1: Write the proportion equation
343,311.40 : 515,428.80 = 201,302.20 : x - Step 2: Convert to fraction form
343,311.40/515,428.80 = 201,302.20/x - Step 3: Cross multiply
343,311.40x = 515,428.80 × 201,302.20 - Step 4: Simplify right side
343,311.40x = 103,756,951,383.36 - Step 5: Solve for x
x = 103,756,951,383.36/343,311.40 - Step 6: Final answer
x = 302,224.02
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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.