Finding the Fourth Proportional to 257,181.21, 354,915.79 and 146,797.63
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Solution
The fourth proportional to 257,181.21, 354,915.79 and 146,797.63 is: 202,583.99
Step by Step Solution
- Step 1: Write the proportion equation
257,181.21 : 354,915.79 = 146,797.63 : x - Step 2: Convert to fraction form
257,181.21/354,915.79 = 146,797.63/x - Step 3: Cross multiply
257,181.21x = 354,915.79 × 146,797.63 - Step 4: Simplify right side
257,181.21x = 52,100,795,567.29 - Step 5: Solve for x
x = 52,100,795,567.29/257,181.21 - Step 6: Final answer
x = 202,583.99
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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.