Finding the Fourth Proportional to 195,709.76, 269,986.74 and 132,068.08
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Solution
The fourth proportional to 195,709.76, 269,986.74 and 132,068.08 is: 182,191.38
Step by Step Solution
- Step 1: Write the proportion equation
195,709.76 : 269,986.74 = 132,068.08 : x - Step 2: Convert to fraction form
195,709.76/269,986.74 = 132,068.08/x - Step 3: Cross multiply
195,709.76x = 269,986.74 × 132,068.08 - Step 4: Simplify right side
195,709.76x = 35,656,630,377.26 - Step 5: Solve for x
x = 35,656,630,377.26/195,709.76 - Step 6: Final answer
x = 182,191.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.