Finding the Fourth Proportional to 150,486.96, 207,670.86 and 82,503.12
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Solution
The fourth proportional to 150,486.96, 207,670.86 and 82,503.12 is: 113,853.68
Step by Step Solution
- Step 1: Write the proportion equation
150,486.96 : 207,670.86 = 82,503.12 : x - Step 2: Convert to fraction form
150,486.96/207,670.86 = 82,503.12/x - Step 3: Cross multiply
150,486.96x = 207,670.86 × 82,503.12 - Step 4: Simplify right side
150,486.96x = 17,133,493,883.08 - Step 5: Solve for x
x = 17,133,493,883.08/150,486.96 - Step 6: Final answer
x = 113,853.68
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1.5x scale
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.