Finding the Fourth Proportional to 376,512.05, 519,585.49 and 225,609.05
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Solution
The fourth proportional to 376,512.05, 519,585.49 and 225,609.05 is: 311,339.81
Step by Step Solution
- Step 1: Write the proportion equation
376,512.05 : 519,585.49 = 225,609.05 : x - Step 2: Convert to fraction form
376,512.05/519,585.49 = 225,609.05/x - Step 3: Cross multiply
376,512.05x = 519,585.49 × 225,609.05 - Step 4: Simplify right side
376,512.05x = 117,223,188,792.69 - Step 5: Solve for x
x = 117,223,188,792.69/376,512.05 - Step 6: Final answer
x = 311,339.81
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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.