Finding the Fourth Proportional to 135,460.52, 203,176.20 and 40,680.80
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Solution
The fourth proportional to 135,460.52, 203,176.20 and 40,680.80 is: 61,016.82
Step by Step Solution
- Step 1: Write the proportion equation
135,460.52 : 203,176.20 = 40,680.80 : x - Step 2: Convert to fraction form
135,460.52/203,176.20 = 40,680.80/x - Step 3: Cross multiply
135,460.52x = 203,176.20 × 40,680.80 - Step 4: Simplify right side
135,460.52x = 8,265,370,356.96 - Step 5: Solve for x
x = 8,265,370,356.96/135,460.52 - Step 6: Final answer
x = 61,016.82
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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.