Finding the Fourth Proportional to 321,657.60, 482,487.64 and 134,537.84
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Solution
The fourth proportional to 321,657.60, 482,487.64 and 134,537.84 is: 201,807.28
Step by Step Solution
- Step 1: Write the proportion equation
321,657.60 : 482,487.64 = 134,537.84 : x - Step 2: Convert to fraction form
321,657.60/482,487.64 = 134,537.84/x - Step 3: Cross multiply
321,657.60x = 482,487.64 × 134,537.84 - Step 4: Simplify right side
321,657.60x = 64,912,844,912.30 - Step 5: Solve for x
x = 64,912,844,912.30/321,657.60 - Step 6: Final answer
x = 201,807.28
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1.5x scale
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.