Finding the Fourth Proportional to 354,177.05, 531,422.60 and 185,657.15
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Solution
The fourth proportional to 354,177.05, 531,422.60 and 185,657.15 is: 278,568.03
Step by Step Solution
- Step 1: Write the proportion equation
354,177.05 : 531,422.60 = 185,657.15 : x - Step 2: Convert to fraction form
354,177.05/531,422.60 = 185,657.15/x - Step 3: Cross multiply
354,177.05x = 531,422.60 × 185,657.15 - Step 4: Simplify right side
354,177.05x = 98,662,401,776.19 - Step 5: Solve for x
x = 98,662,401,776.19/354,177.05 - Step 6: Final answer
x = 278,568.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.