Finding the Fourth Proportional to 376,609.08, 519,503.58 and 225,618.60
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Solution
The fourth proportional to 376,609.08, 519,503.58 and 225,618.60 is: 311,223.70
Step by Step Solution
- Step 1: Write the proportion equation
376,609.08 : 519,503.58 = 225,618.60 : x - Step 2: Convert to fraction form
376,609.08/519,503.58 = 225,618.60/x - Step 3: Cross multiply
376,609.08x = 519,503.58 × 225,618.60 - Step 4: Simplify right side
376,609.08x = 117,209,670,414.59 - Step 5: Solve for x
x = 117,209,670,414.59/376,609.08 - Step 6: Final answer
x = 311,223.70
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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.