Finding the Fourth Proportional to 361,375.38, 541,671.62 and 161,420.40
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Solution
The fourth proportional to 361,375.38, 541,671.62 and 161,420.40 is: 241,955.75
Step by Step Solution
- Step 1: Write the proportion equation
361,375.38 : 541,671.62 = 161,420.40 : x - Step 2: Convert to fraction form
361,375.38/541,671.62 = 161,420.40/x - Step 3: Cross multiply
361,375.38x = 541,671.62 × 161,420.40 - Step 4: Simplify right side
361,375.38x = 87,436,849,569.05 - Step 5: Solve for x
x = 87,436,849,569.05/361,375.38 - Step 6: Final answer
x = 241,955.75
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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.