Finding the Fourth Proportional to 135,459.21, 203,202.18 and 46,701.03
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Solution
The fourth proportional to 135,459.21, 203,202.18 and 46,701.03 is: 70,056.15
Step by Step Solution
- Step 1: Write the proportion equation
135,459.21 : 203,202.18 = 46,701.03 : x - Step 2: Convert to fraction form
135,459.21/203,202.18 = 46,701.03/x - Step 3: Cross multiply
135,459.21x = 203,202.18 × 46,701.03 - Step 4: Simplify right side
135,459.21x = 9,489,751,104.25 - Step 5: Solve for x
x = 9,489,751,104.25/135,459.21 - Step 6: Final answer
x = 70,056.15
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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.