Finding the Fourth Proportional to 308,626.26, 462,690.26 and 283,714.98
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Solution
The fourth proportional to 308,626.26, 462,690.26 and 283,714.98 is: 425,343.45
Step by Step Solution
- Step 1: Write the proportion equation
308,626.26 : 462,690.26 = 283,714.98 : x - Step 2: Convert to fraction form
308,626.26/462,690.26 = 283,714.98/x - Step 3: Cross multiply
308,626.26x = 462,690.26 × 283,714.98 - Step 4: Simplify right side
308,626.26x = 131,272,157,862.10 - Step 5: Solve for x
x = 131,272,157,862.10/308,626.26 - Step 6: Final answer
x = 425,343.45
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1.5x scale
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.