Finding the Fourth Proportional to 133,406.19, 200,155.37 and 50,346.99
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Solution
The fourth proportional to 133,406.19, 200,155.37 and 50,346.99 is: 75,537.88
Step by Step Solution
- Step 1: Write the proportion equation
133,406.19 : 200,155.37 = 50,346.99 : x - Step 2: Convert to fraction form
133,406.19/200,155.37 = 50,346.99/x - Step 3: Cross multiply
133,406.19x = 200,155.37 × 50,346.99 - Step 4: Simplify right side
133,406.19x = 10,077,220,160.10 - Step 5: Solve for x
x = 10,077,220,160.10/133,406.19 - Step 6: Final answer
x = 75,537.88
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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.