Finding the Fourth Proportional to 135,653.44, 203,509.33 and 45,705.09
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Solution
The fourth proportional to 135,653.44, 203,509.33 and 45,705.09 is: 68,567.47
Step by Step Solution
- Step 1: Write the proportion equation
135,653.44 : 203,509.33 = 45,705.09 : x - Step 2: Convert to fraction form
135,653.44/203,509.33 = 45,705.09/x - Step 3: Cross multiply
135,653.44x = 203,509.33 × 45,705.09 - Step 4: Simplify right side
135,653.44x = 9,301,412,892.39 - Step 5: Solve for x
x = 9,301,412,892.39/135,653.44 - Step 6: Final answer
x = 68,567.47
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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.