Finding the Fourth Proportional to 286,431.99, 395,232.18 and 165,549.81
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Solution
The fourth proportional to 286,431.99, 395,232.18 and 165,549.81 is: 228,433.33
Step by Step Solution
- Step 1: Write the proportion equation
286,431.99 : 395,232.18 = 165,549.81 : x - Step 2: Convert to fraction form
286,431.99/395,232.18 = 165,549.81/x - Step 3: Cross multiply
286,431.99x = 395,232.18 × 165,549.81 - Step 4: Simplify right side
286,431.99x = 65,430,612,304.89 - Step 5: Solve for x
x = 65,430,612,304.89/286,431.99 - Step 6: Final answer
x = 228,433.33
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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.