Finding the Fourth Proportional to 225,352.71, 311,197.47 and 144,919.91
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Solution
The fourth proportional to 225,352.71, 311,197.47 and 144,919.91 is: 200,124.99
Step by Step Solution
- Step 1: Write the proportion equation
225,352.71 : 311,197.47 = 144,919.91 : x - Step 2: Convert to fraction form
225,352.71/311,197.47 = 144,919.91/x - Step 3: Cross multiply
225,352.71x = 311,197.47 × 144,919.91 - Step 4: Simplify right side
225,352.71x = 45,098,709,344.63 - Step 5: Solve for x
x = 45,098,709,344.63/225,352.71 - Step 6: Final answer
x = 200,124.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.