Finding the Fourth Proportional to 512,276.26, 768,528.63 and 157,326.10
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Solution
The fourth proportional to 512,276.26, 768,528.63 and 157,326.10 is: 236,024.23
Step by Step Solution
- Step 1: Write the proportion equation
512,276.26 : 768,528.63 = 157,326.10 : x - Step 2: Convert to fraction form
512,276.26/768,528.63 = 157,326.10/x - Step 3: Cross multiply
512,276.26x = 768,528.63 × 157,326.10 - Step 4: Simplify right side
512,276.26x = 120,909,612,096.24 - Step 5: Solve for x
x = 120,909,612,096.24/512,276.26 - Step 6: Final answer
x = 236,024.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.