Finding the Fourth Proportional to 292,286.43, 403,361.67 and 164,962.95
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Solution
The fourth proportional to 292,286.43, 403,361.67 and 164,962.95 is: 227,652.48
Step by Step Solution
- Step 1: Write the proportion equation
292,286.43 : 403,361.67 = 164,962.95 : x - Step 2: Convert to fraction form
292,286.43/403,361.67 = 164,962.95/x - Step 3: Cross multiply
292,286.43x = 403,361.67 × 164,962.95 - Step 4: Simplify right side
292,286.43x = 66,539,731,000.13 - Step 5: Solve for x
x = 66,539,731,000.13/292,286.43 - Step 6: Final answer
x = 227,652.48
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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.