Finding the Fourth Proportional to 409,416.62, 614,469.99 and 172,929.02
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Solution
The fourth proportional to 409,416.62, 614,469.99 and 172,929.02 is: 259,539.28
Step by Step Solution
- Step 1: Write the proportion equation
409,416.62 : 614,469.99 = 172,929.02 : x - Step 2: Convert to fraction form
409,416.62/614,469.99 = 172,929.02/x - Step 3: Cross multiply
409,416.62x = 614,469.99 × 172,929.02 - Step 4: Simplify right side
409,416.62x = 106,259,693,190.11 - Step 5: Solve for x
x = 106,259,693,190.11/409,416.62 - Step 6: Final answer
x = 259,539.28
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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.