Finding the Fourth Proportional to 201,465.10, 302,197.65 and 121,285.90
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Solution
The fourth proportional to 201,465.10, 302,197.65 and 121,285.90 is: 181,928.85
Step by Step Solution
- Step 1: Write the proportion equation
201,465.10 : 302,197.65 = 121,285.90 : x - Step 2: Convert to fraction form
201,465.10/302,197.65 = 121,285.90/x - Step 3: Cross multiply
201,465.10x = 302,197.65 × 121,285.90 - Step 4: Simplify right side
201,465.10x = 36,652,313,958.14 - Step 5: Solve for x
x = 36,652,313,958.14/201,465.10 - Step 6: Final answer
x = 181,928.85
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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.