Finding the Fourth Proportional to 133,291.01, 199,936.49 and 53,364.94
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Solution
The fourth proportional to 133,291.01, 199,936.49 and 53,364.94 is: 80,047.39
Step by Step Solution
- Step 1: Write the proportion equation
133,291.01 : 199,936.49 = 53,364.94 : x - Step 2: Convert to fraction form
133,291.01/199,936.49 = 53,364.94/x - Step 3: Cross multiply
133,291.01x = 199,936.49 × 53,364.94 - Step 4: Simplify right side
133,291.01x = 10,669,598,025.99 - Step 5: Solve for x
x = 10,669,598,025.99/133,291.01 - Step 6: Final answer
x = 80,047.39
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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.