Finding the Fourth Proportional to 135,678.08, 203,526.84 and 35,837.28
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Solution
The fourth proportional to 135,678.08, 203,526.84 and 35,837.28 is: 53,758.49
Step by Step Solution
- Step 1: Write the proportion equation
135,678.08 : 203,526.84 = 35,837.28 : x - Step 2: Convert to fraction form
135,678.08/203,526.84 = 35,837.28/x - Step 3: Cross multiply
135,678.08x = 203,526.84 × 35,837.28 - Step 4: Simplify right side
135,678.08x = 7,293,848,352.60 - Step 5: Solve for x
x = 7,293,848,352.60/135,678.08 - Step 6: Final answer
x = 53,758.49
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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.