Finding the Fourth Proportional to 127,126.06, 190,719.92 and 38,374.26
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Solution
The fourth proportional to 127,126.06, 190,719.92 and 38,374.26 is: 57,570.69
Step by Step Solution
- Step 1: Write the proportion equation
127,126.06 : 190,719.92 = 38,374.26 : x - Step 2: Convert to fraction form
127,126.06/190,719.92 = 38,374.26/x - Step 3: Cross multiply
127,126.06x = 190,719.92 × 38,374.26 - Step 4: Simplify right side
127,126.06x = 7,318,734,962.14 - Step 5: Solve for x
x = 7,318,734,962.14/127,126.06 - Step 6: Final answer
x = 57,570.69
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1.5x scale
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.