Finding the Fourth Proportional to 372,393.73, 558,589.74 and 135,639.64
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Solution
The fourth proportional to 372,393.73, 558,589.74 and 135,639.64 is: 203,459.15
Step by Step Solution
- Step 1: Write the proportion equation
372,393.73 : 558,589.74 = 135,639.64 : x - Step 2: Convert to fraction form
372,393.73/558,589.74 = 135,639.64/x - Step 3: Cross multiply
372,393.73x = 558,589.74 × 135,639.64 - Step 4: Simplify right side
372,393.73x = 75,766,911,241.29 - Step 5: Solve for x
x = 75,766,911,241.29/372,393.73 - Step 6: Final answer
x = 203,459.15
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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.