Finding the Fourth Proportional to 427,119.68, 589,399.83 and 236,121.68
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Solution
The fourth proportional to 427,119.68, 589,399.83 and 236,121.68 is: 325,833.92
Step by Step Solution
- Step 1: Write the proportion equation
427,119.68 : 589,399.83 = 236,121.68 : x - Step 2: Convert to fraction form
427,119.68/589,399.83 = 236,121.68/x - Step 3: Cross multiply
427,119.68x = 589,399.83 × 236,121.68 - Step 4: Simplify right side
427,119.68x = 139,170,078,051.31 - Step 5: Solve for x
x = 139,170,078,051.31/427,119.68 - Step 6: Final answer
x = 325,833.92
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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.