Finding the Fourth Proportional to 306,033.23, 422,328.19 and 170,079.93
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Solution
The fourth proportional to 306,033.23, 422,328.19 and 170,079.93 is: 234,711.60
Step by Step Solution
- Step 1: Write the proportion equation
306,033.23 : 422,328.19 = 170,079.93 : x - Step 2: Convert to fraction form
306,033.23/422,328.19 = 170,079.93/x - Step 3: Cross multiply
306,033.23x = 422,328.19 × 170,079.93 - Step 4: Simplify right side
306,033.23x = 71,829,548,992.23 - Step 5: Solve for x
x = 71,829,548,992.23/306,033.23 - Step 6: Final answer
x = 234,711.60
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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.