Finding the Fourth Proportional to 432,744.44, 649,136.70 and 133,238.44
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Solution
The fourth proportional to 432,744.44, 649,136.70 and 133,238.44 is: 199,863.83
Step by Step Solution
- Step 1: Write the proportion equation
432,744.44 : 649,136.70 = 133,238.44 : x - Step 2: Convert to fraction form
432,744.44/649,136.70 = 133,238.44/x - Step 3: Cross multiply
432,744.44x = 649,136.70 × 133,238.44 - Step 4: Simplify right side
432,744.44x = 86,489,961,254.75 - Step 5: Solve for x
x = 86,489,961,254.75/432,744.44 - Step 6: Final answer
x = 199,863.83
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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.