Finding the Fourth Proportional to 397,249.46, 596,136.62 and 186,903.80
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Solution
The fourth proportional to 397,249.46, 596,136.62 and 186,903.80 is: 280,479.17
Step by Step Solution
- Step 1: Write the proportion equation
397,249.46 : 596,136.62 = 186,903.80 : x - Step 2: Convert to fraction form
397,249.46/596,136.62 = 186,903.80/x - Step 3: Cross multiply
397,249.46x = 596,136.62 × 186,903.80 - Step 4: Simplify right side
397,249.46x = 111,420,199,319.25 - Step 5: Solve for x
x = 111,420,199,319.25/397,249.46 - Step 6: Final answer
x = 280,479.17
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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.