Finding the Fourth Proportional to 207,028.08, 310,543.20 and 57,268.80
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Solution
The fourth proportional to 207,028.08, 310,543.20 and 57,268.80 is: 85,903.50
Step by Step Solution
- Step 1: Write the proportion equation
207,028.08 : 310,543.20 = 57,268.80 : x - Step 2: Convert to fraction form
207,028.08/310,543.20 = 57,268.80/x - Step 3: Cross multiply
207,028.08x = 310,543.20 × 57,268.80 - Step 4: Simplify right side
207,028.08x = 17,784,436,412.16 - Step 5: Solve for x
x = 17,784,436,412.16/207,028.08 - Step 6: Final answer
x = 85,903.50
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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.