Finding the Fourth Proportional to 278,464.35, 384,594.03 and 188,193.09
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Solution
The fourth proportional to 278,464.35, 384,594.03 and 188,193.09 is: 259,918.15
Step by Step Solution
- Step 1: Write the proportion equation
278,464.35 : 384,594.03 = 188,193.09 : x - Step 2: Convert to fraction form
278,464.35/384,594.03 = 188,193.09/x - Step 3: Cross multiply
278,464.35x = 384,594.03 × 188,193.09 - Step 4: Simplify right side
278,464.35x = 72,377,938,901.25 - Step 5: Solve for x
x = 72,377,938,901.25/278,464.35 - Step 6: Final answer
x = 259,918.15
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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.