Finding the Fourth Proportional to 135,202.40, 202,918.80 and 60,437.60
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Solution
The fourth proportional to 135,202.40, 202,918.80 and 60,437.60 is: 90,707.90
Step by Step Solution
- Step 1: Write the proportion equation
135,202.40 : 202,918.80 = 60,437.60 : x - Step 2: Convert to fraction form
135,202.40/202,918.80 = 60,437.60/x - Step 3: Cross multiply
135,202.40x = 202,918.80 × 60,437.60 - Step 4: Simplify right side
135,202.40x = 12,263,925,266.88 - Step 5: Solve for x
x = 12,263,925,266.88/135,202.40 - Step 6: Final answer
x = 90,707.90
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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.