Finding the Fourth Proportional to 314,593.43, 471,557.84 and 225,798.80
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Solution
The fourth proportional to 314,593.43, 471,557.84 and 225,798.80 is: 338,459.68
Step by Step Solution
- Step 1: Write the proportion equation
314,593.43 : 471,557.84 = 225,798.80 : x - Step 2: Convert to fraction form
314,593.43/471,557.84 = 225,798.80/x - Step 3: Cross multiply
314,593.43x = 471,557.84 × 225,798.80 - Step 4: Simplify right side
314,593.43x = 106,477,190,915.81 - Step 5: Solve for x
x = 106,477,190,915.81/314,593.43 - Step 6: Final answer
x = 338,459.68
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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.