Finding the Fourth Proportional to 518,174.58, 777,261.88 and 202,410.05
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Solution
The fourth proportional to 518,174.58, 777,261.88 and 202,410.05 is: 303,615.07
Step by Step Solution
- Step 1: Write the proportion equation
518,174.58 : 777,261.88 = 202,410.05 : x - Step 2: Convert to fraction form
518,174.58/777,261.88 = 202,410.05/x - Step 3: Cross multiply
518,174.58x = 777,261.88 × 202,410.05 - Step 4: Simplify right side
518,174.58x = 157,325,611,601.56 - Step 5: Solve for x
x = 157,325,611,601.56/518,174.58 - Step 6: Final answer
x = 303,615.07
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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.