Finding the Fourth Proportional to 133,771.95, 200,688.71 and 45,023.09
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Solution
The fourth proportional to 133,771.95, 200,688.71 and 45,023.09 is: 67,544.99
Step by Step Solution
- Step 1: Write the proportion equation
133,771.95 : 200,688.71 = 45,023.09 : x - Step 2: Convert to fraction form
133,771.95/200,688.71 = 45,023.09/x - Step 3: Cross multiply
133,771.95x = 200,688.71 × 45,023.09 - Step 4: Simplify right side
133,771.95x = 9,035,624,623.75 - Step 5: Solve for x
x = 9,035,624,623.75/133,771.95 - Step 6: Final answer
x = 67,544.99
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1.5x scale
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.