Finding the Fourth Proportional to 402,687.36, 602,716.72 and 296,043.08
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Solution
The fourth proportional to 402,687.36, 602,716.72 and 296,043.08 is: 443,098.37
Step by Step Solution
- Step 1: Write the proportion equation
402,687.36 : 602,716.72 = 296,043.08 : x - Step 2: Convert to fraction form
402,687.36/602,716.72 = 296,043.08/x - Step 3: Cross multiply
402,687.36x = 602,716.72 × 296,043.08 - Step 4: Simplify right side
402,687.36x = 178,430,114,156.30 - Step 5: Solve for x
x = 178,430,114,156.30/402,687.36 - Step 6: Final answer
x = 443,098.37
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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.