Finding the Fourth Proportional to 354,074.74, 531,269.08 and 185,555.02
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Solution
The fourth proportional to 354,074.74, 531,269.08 and 185,555.02 is: 278,414.79
Step by Step Solution
- Step 1: Write the proportion equation
354,074.74 : 531,269.08 = 185,555.02 : x - Step 2: Convert to fraction form
354,074.74/531,269.08 = 185,555.02/x - Step 3: Cross multiply
354,074.74x = 531,269.08 × 185,555.02 - Step 4: Simplify right side
354,074.74x = 98,579,644,764.78 - Step 5: Solve for x
x = 98,579,644,764.78/354,074.74 - Step 6: Final answer
x = 278,414.79
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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.