Finding the Fourth Proportional to 351,201.71, 484,656.12 and 198,241.85
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Solution
The fourth proportional to 351,201.71, 484,656.12 and 198,241.85 is: 273,572.49
Step by Step Solution
- Step 1: Write the proportion equation
351,201.71 : 484,656.12 = 198,241.85 : x - Step 2: Convert to fraction form
351,201.71/484,656.12 = 198,241.85/x - Step 3: Cross multiply
351,201.71x = 484,656.12 × 198,241.85 - Step 4: Simplify right side
351,201.71x = 96,079,125,842.62 - Step 5: Solve for x
x = 96,079,125,842.62/351,201.71 - Step 6: Final answer
x = 273,572.49
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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.