Finding the Fourth Proportional to 90,630.10, 135,958.99 and 46,232.64
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Solution
The fourth proportional to 90,630.10, 135,958.99 and 46,232.64 is: 69,356.02
Step by Step Solution
- Step 1: Write the proportion equation
90,630.10 : 135,958.99 = 46,232.64 : x - Step 2: Convert to fraction form
90,630.10/135,958.99 = 46,232.64/x - Step 3: Cross multiply
90,630.10x = 135,958.99 × 46,232.64 - Step 4: Simplify right side
90,630.10x = 6,285,743,039.43 - Step 5: Solve for x
x = 6,285,743,039.43/90,630.10 - Step 6: Final answer
x = 69,356.02
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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.