Finding the Fourth Proportional to 372,627.84, 514,209.42 and 202,861.56
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Solution
The fourth proportional to 372,627.84, 514,209.42 and 202,861.56 is: 279,939.70
Step by Step Solution
- Step 1: Write the proportion equation
372,627.84 : 514,209.42 = 202,861.56 : x - Step 2: Convert to fraction form
372,627.84/514,209.42 = 202,861.56/x - Step 3: Cross multiply
372,627.84x = 514,209.42 × 202,861.56 - Step 4: Simplify right side
372,627.84x = 104,313,325,107.90 - Step 5: Solve for x
x = 104,313,325,107.90/372,627.84 - Step 6: Final answer
x = 279,939.70
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1.5x scale
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.