Finding the Fourth Proportional to 345,197.70, 476,258.49 and 201,856.32
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Solution
The fourth proportional to 345,197.70, 476,258.49 and 201,856.32 is: 278,494.86
Step by Step Solution
- Step 1: Write the proportion equation
345,197.70 : 476,258.49 = 201,856.32 : x - Step 2: Convert to fraction form
345,197.70/476,258.49 = 201,856.32/x - Step 3: Cross multiply
345,197.70x = 476,258.49 × 201,856.32 - Step 4: Simplify right side
345,197.70x = 96,135,786,160.16 - Step 5: Solve for x
x = 96,135,786,160.16/345,197.70 - Step 6: Final answer
x = 278,494.86
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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.