Finding the Fourth Proportional to 351,966.40, 526,912.80 and 331,460.80
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Solution
The fourth proportional to 351,966.40, 526,912.80 and 331,460.80 is: 496,214.80
Step by Step Solution
- Step 1: Write the proportion equation
351,966.40 : 526,912.80 = 331,460.80 : x - Step 2: Convert to fraction form
351,966.40/526,912.80 = 331,460.80/x - Step 3: Cross multiply
351,966.40x = 526,912.80 × 331,460.80 - Step 4: Simplify right side
351,966.40x = 174,650,938,218.24 - Step 5: Solve for x
x = 174,650,938,218.24/351,966.40 - Step 6: Final answer
x = 496,214.80
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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.