Finding the Fourth Proportional to 135,748.42, 203,651.88 and 40,970.66
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Solution
The fourth proportional to 135,748.42, 203,651.88 and 40,970.66 is: 61,464.82
Step by Step Solution
- Step 1: Write the proportion equation
135,748.42 : 203,651.88 = 40,970.66 : x - Step 2: Convert to fraction form
135,748.42/203,651.88 = 40,970.66/x - Step 3: Cross multiply
135,748.42x = 203,651.88 × 40,970.66 - Step 4: Simplify right side
135,748.42x = 8,343,751,933.84 - Step 5: Solve for x
x = 8,343,751,933.84/135,748.42 - Step 6: Final answer
x = 61,464.82
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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.