Finding the Fourth Proportional to 286,851.44, 395,824.68 and 159,506.48
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Solution
The fourth proportional to 286,851.44, 395,824.68 and 159,506.48 is: 220,102.09
Step by Step Solution
- Step 1: Write the proportion equation
286,851.44 : 395,824.68 = 159,506.48 : x - Step 2: Convert to fraction form
286,851.44/395,824.68 = 159,506.48/x - Step 3: Cross multiply
286,851.44x = 395,824.68 × 159,506.48 - Step 4: Simplify right side
286,851.44x = 63,136,601,403.93 - Step 5: Solve for x
x = 63,136,601,403.93/286,851.44 - Step 6: Final answer
x = 220,102.09
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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.