Finding the Fourth Proportional to 295,963.12, 408,430.68 and 161,827.12
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Solution
The fourth proportional to 295,963.12, 408,430.68 and 161,827.12 is: 223,322.29
Step by Step Solution
- Step 1: Write the proportion equation
295,963.12 : 408,430.68 = 161,827.12 : x - Step 2: Convert to fraction form
295,963.12/408,430.68 = 161,827.12/x - Step 3: Cross multiply
295,963.12x = 408,430.68 × 161,827.12 - Step 4: Simplify right side
295,963.12x = 66,095,160,664.04 - Step 5: Solve for x
x = 66,095,160,664.04/295,963.12 - Step 6: Final answer
x = 223,322.29
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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.