Finding the Fourth Proportional to 409,420.62, 614,475.99 and 172,933.02
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Solution
The fourth proportional to 409,420.62, 614,475.99 and 172,933.02 is: 259,545.28
Step by Step Solution
- Step 1: Write the proportion equation
409,420.62 : 614,475.99 = 172,933.02 : x - Step 2: Convert to fraction form
409,420.62/614,475.99 = 172,933.02/x - Step 3: Cross multiply
409,420.62x = 614,475.99 × 172,933.02 - Step 4: Simplify right side
409,420.62x = 106,263,188,668.19 - Step 5: Solve for x
x = 106,263,188,668.19/409,420.62 - Step 6: Final answer
x = 259,545.28
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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.