Finding the Fourth Proportional to 372,182.61, 513,611.99 and 211,037.62
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Solution
The fourth proportional to 372,182.61, 513,611.99 and 211,037.62 is: 291,231.90
Step by Step Solution
- Step 1: Write the proportion equation
372,182.61 : 513,611.99 = 211,037.62 : x - Step 2: Convert to fraction form
372,182.61/513,611.99 = 211,037.62/x - Step 3: Cross multiply
372,182.61x = 513,611.99 × 211,037.62 - Step 4: Simplify right side
372,182.61x = 108,391,451,388.26 - Step 5: Solve for x
x = 108,391,451,388.26/372,182.61 - Step 6: Final answer
x = 291,231.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.