Finding the Fourth Proportional to 103,669.60, 155,465.36 and 33,530.08
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Solution
The fourth proportional to 103,669.60, 155,465.36 and 33,530.08 is: 50,282.49
Step by Step Solution
- Step 1: Write the proportion equation
103,669.60 : 155,465.36 = 33,530.08 : x - Step 2: Convert to fraction form
103,669.60/155,465.36 = 33,530.08/x - Step 3: Cross multiply
103,669.60x = 155,465.36 × 33,530.08 - Step 4: Simplify right side
103,669.60x = 5,212,765,958.03 - Step 5: Solve for x
x = 5,212,765,958.03/103,669.60 - Step 6: Final answer
x = 50,282.49
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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.