Finding the Fourth Proportional to 279,674.37, 419,136.53 and 153,124.02
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Solution
The fourth proportional to 279,674.37, 419,136.53 and 153,124.02 is: 229,480.70
Step by Step Solution
- Step 1: Write the proportion equation
279,674.37 : 419,136.53 = 153,124.02 : x - Step 2: Convert to fraction form
279,674.37/419,136.53 = 153,124.02/x - Step 3: Cross multiply
279,674.37x = 419,136.53 × 153,124.02 - Step 4: Simplify right side
279,674.37x = 64,179,869,636.83 - Step 5: Solve for x
x = 64,179,869,636.83/279,674.37 - Step 6: Final answer
x = 229,480.70
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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.