Finding the Fourth Proportional to 437,801.40, 656,721.77 and 134,173.31
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Solution
The fourth proportional to 437,801.40, 656,721.77 and 134,173.31 is: 201,265.99
Step by Step Solution
- Step 1: Write the proportion equation
437,801.40 : 656,721.77 = 134,173.31 : x - Step 2: Convert to fraction form
437,801.40/656,721.77 = 134,173.31/x - Step 3: Cross multiply
437,801.40x = 656,721.77 × 134,173.31 - Step 4: Simplify right side
437,801.40x = 88,114,533,629.96 - Step 5: Solve for x
x = 88,114,533,629.96/437,801.40 - Step 6: Final answer
x = 201,265.99
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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.