Finding the Fourth Proportional to 135,338.60, 202,988.70 and 41,853.80
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Solution
The fourth proportional to 135,338.60, 202,988.70 and 41,853.80 is: 62,774.76
Step by Step Solution
- Step 1: Write the proportion equation
135,338.60 : 202,988.70 = 41,853.80 : x - Step 2: Convert to fraction form
135,338.60/202,988.70 = 41,853.80/x - Step 3: Cross multiply
135,338.60x = 202,988.70 × 41,853.80 - Step 4: Simplify right side
135,338.60x = 8,495,848,452.06 - Step 5: Solve for x
x = 8,495,848,452.06/135,338.60 - Step 6: Final answer
x = 62,774.76
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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.