Finding the Fourth Proportional to 135,457.08, 203,186.30 and 55,538.70
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Solution
The fourth proportional to 135,457.08, 203,186.30 and 55,538.70 is: 83,308.33
Step by Step Solution
- Step 1: Write the proportion equation
135,457.08 : 203,186.30 = 55,538.70 : x - Step 2: Convert to fraction form
135,457.08/203,186.30 = 55,538.70/x - Step 3: Cross multiply
135,457.08x = 203,186.30 × 55,538.70 - Step 4: Simplify right side
135,457.08x = 11,284,702,682.12 - Step 5: Solve for x
x = 11,284,702,682.12/135,457.08 - Step 6: Final answer
x = 83,308.33
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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.