Finding the Fourth Proportional to 135,330.39, 203,069.88 and 68,776.26
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Solution
The fourth proportional to 135,330.39, 203,069.88 and 68,776.26 is: 103,202.15
Step by Step Solution
- Step 1: Write the proportion equation
135,330.39 : 203,069.88 = 68,776.26 : x - Step 2: Convert to fraction form
135,330.39/203,069.88 = 68,776.26/x - Step 3: Cross multiply
135,330.39x = 203,069.88 × 68,776.26 - Step 4: Simplify right side
135,330.39x = 13,966,386,865.05 - Step 5: Solve for x
x = 13,966,386,865.05/135,330.39 - Step 6: Final answer
x = 103,202.15
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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.