Finding the Fourth Proportional to 295,953.12, 408,416.88 and 161,817.12
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Solution
The fourth proportional to 295,953.12, 408,416.88 and 161,817.12 is: 223,308.49
Step by Step Solution
- Step 1: Write the proportion equation
295,953.12 : 408,416.88 = 161,817.12 : x - Step 2: Convert to fraction form
295,953.12/408,416.88 = 161,817.12/x - Step 3: Cross multiply
295,953.12x = 408,416.88 × 161,817.12 - Step 4: Simplify right side
295,953.12x = 66,088,843,280.99 - Step 5: Solve for x
x = 66,088,843,280.99/295,953.12 - Step 6: Final answer
x = 223,308.49
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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.