Finding the Fourth Proportional to 498,249.81, 687,622.80 and 283,377.06
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Solution
The fourth proportional to 498,249.81, 687,622.80 and 283,377.06 is: 391,081.99
Step by Step Solution
- Step 1: Write the proportion equation
498,249.81 : 687,622.80 = 283,377.06 : x - Step 2: Convert to fraction form
498,249.81/687,622.80 = 283,377.06/x - Step 3: Cross multiply
498,249.81x = 687,622.80 × 283,377.06 - Step 4: Simplify right side
498,249.81x = 194,856,527,452.97 - Step 5: Solve for x
x = 194,856,527,452.97/498,249.81 - Step 6: Final answer
x = 391,081.99
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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.