Finding the Fourth Proportional to 126,728.42, 190,065.08 and 37,958.09
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Solution
The fourth proportional to 126,728.42, 190,065.08 and 37,958.09 is: 56,928.88
Step by Step Solution
- Step 1: Write the proportion equation
126,728.42 : 190,065.08 = 37,958.09 : x - Step 2: Convert to fraction form
126,728.42/190,065.08 = 37,958.09/x - Step 3: Cross multiply
126,728.42x = 190,065.08 × 37,958.09 - Step 4: Simplify right side
126,728.42x = 7,214,506,557.07 - Step 5: Solve for x
x = 7,214,506,557.07/126,728.42 - Step 6: Final answer
x = 56,928.88
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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.