Finding the Fourth Proportional to 145,167.81, 217,782.84 and 50,400.99
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Solution
The fourth proportional to 145,167.81, 217,782.84 and 50,400.99 is: 75,612.29
Step by Step Solution
- Step 1: Write the proportion equation
145,167.81 : 217,782.84 = 50,400.99 : x - Step 2: Convert to fraction form
145,167.81/217,782.84 = 50,400.99/x - Step 3: Cross multiply
145,167.81x = 217,782.84 × 50,400.99 - Step 4: Simplify right side
145,167.81x = 10,976,470,741.01 - Step 5: Solve for x
x = 10,976,470,741.01/145,167.81 - Step 6: Final answer
x = 75,612.29
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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.