Finding the Fourth Proportional to 351,249.12, 484,731.36 and 198,258.12
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Solution
The fourth proportional to 351,249.12, 484,731.36 and 198,258.12 is: 273,600.48
Step by Step Solution
- Step 1: Write the proportion equation
351,249.12 : 484,731.36 = 198,258.12 : x - Step 2: Convert to fraction form
351,249.12/484,731.36 = 198,258.12/x - Step 3: Cross multiply
351,249.12x = 484,731.36 × 198,258.12 - Step 4: Simplify right side
351,249.12x = 96,101,928,138.64 - Step 5: Solve for x
x = 96,101,928,138.64/351,249.12 - Step 6: Final answer
x = 273,600.48
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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.