Finding the Fourth Proportional to 344,414.19, 475,297.31 and 189,372.03
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Solution
The fourth proportional to 344,414.19, 475,297.31 and 189,372.03 is: 261,336.55
Step by Step Solution
- Step 1: Write the proportion equation
344,414.19 : 475,297.31 = 189,372.03 : x - Step 2: Convert to fraction form
344,414.19/475,297.31 = 189,372.03/x - Step 3: Cross multiply
344,414.19x = 475,297.31 × 189,372.03 - Step 4: Simplify right side
344,414.19x = 90,008,015,501.38 - Step 5: Solve for x
x = 90,008,015,501.38/344,414.19 - Step 6: Final answer
x = 261,336.55
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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.