Finding the Fourth Proportional to 135,839.52, 203,770.08 and 42,346.08
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Solution
The fourth proportional to 135,839.52, 203,770.08 and 42,346.08 is: 63,522.49
Step by Step Solution
- Step 1: Write the proportion equation
135,839.52 : 203,770.08 = 42,346.08 : x - Step 2: Convert to fraction form
135,839.52/203,770.08 = 42,346.08/x - Step 3: Cross multiply
135,839.52x = 203,770.08 × 42,346.08 - Step 4: Simplify right side
135,839.52x = 8,628,864,109.29 - Step 5: Solve for x
x = 8,628,864,109.29/135,839.52 - Step 6: Final answer
x = 63,522.49
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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.