Finding the Fourth Proportional to 325,999.22, 449,487.98 and 211,235.99
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Solution
The fourth proportional to 325,999.22, 449,487.98 and 211,235.99 is: 291,252.34
Step by Step Solution
- Step 1: Write the proportion equation
325,999.22 : 449,487.98 = 211,235.99 : x - Step 2: Convert to fraction form
325,999.22/449,487.98 = 211,235.99/x - Step 3: Cross multiply
325,999.22x = 449,487.98 × 211,235.99 - Step 4: Simplify right side
325,999.22x = 94,948,037,684.67 - Step 5: Solve for x
x = 94,948,037,684.67/325,999.22 - Step 6: Final answer
x = 291,252.34
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1.5x scale
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.