Finding the Fourth Proportional to 135,663.55, 203,467.61 and 51,394.66
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Solution
The fourth proportional to 135,663.55, 203,467.61 and 51,394.66 is: 77,081.49
Step by Step Solution
- Step 1: Write the proportion equation
135,663.55 : 203,467.61 = 51,394.66 : x - Step 2: Convert to fraction form
135,663.55/203,467.61 = 51,394.66/x - Step 3: Cross multiply
135,663.55x = 203,467.61 × 51,394.66 - Step 4: Simplify right side
135,663.55x = 10,457,148,256.78 - Step 5: Solve for x
x = 10,457,148,256.78/135,663.55 - Step 6: Final answer
x = 77,081.49
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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.