Finding the Fourth Proportional to 135,540.12, 203,221.56 and 65,353.08
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Solution
The fourth proportional to 135,540.12, 203,221.56 and 65,353.08 is: 97,986.89
Step by Step Solution
- Step 1: Write the proportion equation
135,540.12 : 203,221.56 = 65,353.08 : x - Step 2: Convert to fraction form
135,540.12/203,221.56 = 65,353.08/x - Step 3: Cross multiply
135,540.12x = 203,221.56 × 65,353.08 - Step 4: Simplify right side
135,540.12x = 13,281,154,868.40 - Step 5: Solve for x
x = 13,281,154,868.40/135,540.12 - Step 6: Final answer
x = 97,986.89
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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.