Finding the Fourth Proportional to 322,801.20, 445,455.45 and 179,559.99
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Solution
The fourth proportional to 322,801.20, 445,455.45 and 179,559.99 is: 247,787.11
Step by Step Solution
- Step 1: Write the proportion equation
322,801.20 : 445,455.45 = 179,559.99 : x - Step 2: Convert to fraction form
322,801.20/445,455.45 = 179,559.99/x - Step 3: Cross multiply
322,801.20x = 445,455.45 × 179,559.99 - Step 4: Simplify right side
322,801.20x = 79,985,976,147.45 - Step 5: Solve for x
x = 79,985,976,147.45/322,801.20 - Step 6: Final answer
x = 247,787.11
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1.5x scale
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.