Finding the Fourth Proportional to 383,557.77, 575,644.82 and 173,214.09
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Solution
The fourth proportional to 383,557.77, 575,644.82 and 173,214.09 is: 259,960.30
Step by Step Solution
- Step 1: Write the proportion equation
383,557.77 : 575,644.82 = 173,214.09 : x - Step 2: Convert to fraction form
383,557.77/575,644.82 = 173,214.09/x - Step 3: Cross multiply
383,557.77x = 575,644.82 × 173,214.09 - Step 4: Simplify right side
383,557.77x = 99,709,792,793.44 - Step 5: Solve for x
x = 99,709,792,793.44/383,557.77 - Step 6: Final answer
x = 259,960.30
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1.5x scale
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.