Finding the Fourth Proportional to 314,131.62, 471,195.26 and 127,140.42
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Solution
The fourth proportional to 314,131.62, 471,195.26 and 127,140.42 is: 190,709.75
Step by Step Solution
- Step 1: Write the proportion equation
314,131.62 : 471,195.26 = 127,140.42 : x - Step 2: Convert to fraction form
314,131.62/471,195.26 = 127,140.42/x - Step 3: Cross multiply
314,131.62x = 471,195.26 × 127,140.42 - Step 4: Simplify right side
314,131.62x = 59,907,963,258.41 - Step 5: Solve for x
x = 59,907,963,258.41/314,131.62 - Step 6: Final answer
x = 190,709.75
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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.