Finding the Fourth Proportional to 424,154.68, 585,321.90 and 233,168.12
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Solution
The fourth proportional to 424,154.68, 585,321.90 and 233,168.12 is: 321,765.65
Step by Step Solution
- Step 1: Write the proportion equation
424,154.68 : 585,321.90 = 233,168.12 : x - Step 2: Convert to fraction form
424,154.68/585,321.90 = 233,168.12/x - Step 3: Cross multiply
424,154.68x = 585,321.90 × 233,168.12 - Step 4: Simplify right side
424,154.68x = 136,478,407,017.83 - Step 5: Solve for x
x = 136,478,407,017.83/424,154.68 - Step 6: Final answer
x = 321,765.65
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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.