Finding the Fourth Proportional to 331,528.91, 497,296.83 and 265,389.47
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Solution
The fourth proportional to 331,528.91, 497,296.83 and 265,389.47 is: 398,086.99
Step by Step Solution
- Step 1: Write the proportion equation
331,528.91 : 497,296.83 = 265,389.47 : x - Step 2: Convert to fraction form
331,528.91/497,296.83 = 265,389.47/x - Step 3: Cross multiply
331,528.91x = 497,296.83 × 265,389.47 - Step 4: Simplify right side
331,528.91x = 131,977,342,519.97 - Step 5: Solve for x
x = 131,977,342,519.97/331,528.91 - Step 6: Final answer
x = 398,086.99
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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.